?字UNICODE编码U+21A50,10进制: 137808,UTF-32: 00021A50,UTF-8: F0 A1 A9 90。汉语字典由zI.tTCX.NEt提供
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(Zi.TTcx.Net)