?字UNICODE编码U+21778,10进制: 137080,UTF-32: 00021778,UTF-8: F0 A1 9D B8。汉语字典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)。(tTCX.nET)