| Name | CIRCLED NUMBER ELEVEN |
| Unicode Version | 1.1 |
| Block（ブロック） | Enclosed Alphanumerics（囲み英数字） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ⑪ ⑪ |
| UTF-8 Encoding | ⑪ e291aa |
| UTF-16 Encoding | ⑪ 246a |
| UTF-32 Encoding | ⑪ 0000246a |