102112031020 has 48 divisors (see below), whose sum is σ = 230247033408. Its totient is φ = 37900728320.

The previous prime is 102112031011. The next prime is 102112031041. The reversal of 102112031020 is 20130211201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2090857 + ... + 2139136.

It is an arithmetic number, because the mean of its divisors is an integer number (4796813196).

Almost surely, 2^102112031020 is an apocalyptic number.

102112031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112031020 is an abundant number, since it is smaller than the sum of its proper divisors (128135002388).

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

102112031020 is a wasteful number, since it uses less digits than its factorization.

102112031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230090 (or 4230088 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102112031020 its reverse (20130211201), we get a palindrome (122242242221).

The spelling of 102112031020 in words is "one hundred two billion, one hundred twelve million, thirty-one thousand, twenty".