102112021122100 has 72 divisors (see below), whose sum is σ = 241785500550048. Its totient is φ = 37122658204800.

The previous prime is 102112021122091. The next prime is 102112021122127. The reversal of 102112021122100 is 1221120211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6683934 + ... + 15776533.

It is an arithmetic number, because the mean of its divisors is an integer number (3358131952084).

Almost surely, 2^{102112021122100} is an apocalyptic number.

102112021122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112021122100 is an abundant number, since it is smaller than the sum of its proper divisors (139673479427948).

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

102112021122100 is a wasteful number, since it uses less digits than its factorization.

102112021122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22464625 (or 22464618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102112021122100 its reverse (1221120211201), we get a palindrome (103333141333301).

The spelling of 102112021122100 in words is "one hundred two trillion, one hundred twelve billion, twenty-one million, one hundred twenty-two thousand, one hundred".