10211210112100 has 18 divisors (see below), whose sum is σ = 22158325943474. Its totient is φ = 4084484044800.

The previous prime is 10211210112091. The next prime is 10211210112161. The reversal of 10211210112100 is 121101211201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 68055243876 + 10143154868224 = 260874^2 + 3184832^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51056050461 + ... + 51056050660.

Almost surely, 2^{10211210112100} is an apocalyptic number.

10211210112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211210112100 is an abundant number, since it is smaller than the sum of its proper divisors (11947115831374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211210112100 is a wasteful number, since it uses less digits than its factorization.

10211210112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102112101135 (or 102112101128 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10211210112100 its reverse (121101211201), we get a palindrome (10332311323301).

The spelling of 10211210112100 in words is "ten trillion, two hundred eleven billion, two hundred ten million, one hundred twelve thousand, one hundred".