Adding to 10221111100101 its reverse (10100111112201), we get a palindrome (20321222212302).
It is a congruent number.
Almost surely, 210221111100101 is an apocalyptic number.
10221111100101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10221111100101 is a wasteful number, since it uses less digits than its factorization.
10221111100101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13466549576.
The spelling of 10221111100101 in words is "ten trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thousand, one hundred one".