It is a happy number.
101211012122112 is a `hidden beast` number, since 101 + 211 + 0 + 121 + 221 + 12 = 666.
It is a congruent number.
Almost surely, 2101211012122112 is an apocalyptic number.
101211012122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101211012122112 is a wasteful number, since it uses less digits than its factorization.
101211012122112 is an odious number, because the sum of its binary digits is odd.
Adding to 101211012122112 its reverse (211221210112101), we get a palindrome (312432222234213).
The spelling of 101211012122112 in words is "one hundred one trillion, two hundred eleven billion, twelve million, one hundred twenty-two thousand, one hundred twelve".