Unicode Character "℁" (U+2101)

The character (Addressed To The Subject) is represented by the Unicode codepoint U+2101. It is encoded in the Letterlike Symbols block, which belongs to the Basic Multilingual Plane. It was added to Unicode in version 1.1 (June, 1993). It is HTML encoded as ℁.

Main Unicode Properties

Name Addressed To The Subject
Unicode Codepoint U+2101
Unicode Version 1.1 (June, 1993)
Block Letterlike Symbols
Plane Basic Multilingual Plane

Bidirectional Data

Bidirectional class Other Neutral (ON)
Is mirrored? No

Other Unicode Data

Category Other Symbol
Script Code for undetermined script
Combining Class Not Reordered
Decomposition mapping

U+2101 Conversion

HTML (decimal) ℁
HTML (hex) ℁
HTML (named) -
URL Escape Code %E2%84%81
CSS \002101
JavaScript, JSON \u2101
C, C++, Java \u2101
Python \u2101
Rust \u{2101}
Ruby \u2101

How to type "℁"

  • Windows ?: Hold Alt, then type 2 1 0 1. Release Alt.
  • Mac ?: Hold Alt ⌥, then type 2 1 0 1. Release Alt.


  • Times, Times New Roman, serif
  • Helvetica, Arial, sans-serif
  • Courier, Courier New, monospace

UTF Encodings

UTF-8 (hex) 0xE2 0x84 0x81
UTF-16 (hex) 0x2101
UTF-32 (hex) 0x00002101