?字UNICODE编码U+21BEF,10进制: 138223,UTF-32: 00021BEF,UTF-8: F0 A1 AF AF。(TTcx.neT)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(zI.tTcX.NEt)