102112100010120 has 128 divisors (see below), whose sum is σ = 317859121238400. Its totient is φ = 26220816654336.

The previous prime is 102112100010119. The next prime is 102112100010139. The reversal of 102112100010120 is 21010001211201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102112100010096 and 102112100010105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118116850 + ... + 118978209.

It is an arithmetic number, because the mean of its divisors is an integer number (2483274384675).

Almost surely, 2^{102112100010120} is an apocalyptic number.

102112100010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112100010120 is an abundant number, since it is smaller than the sum of its proper divisors (215747021228280).

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

102112100010120 is a wasteful number, since it uses less digits than its factorization.

102112100010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237095207 (or 237095203 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102112100010120 its reverse (21010001211201), we get a palindrome (123122101221321).

The spelling of 102112100010120 in words is "one hundred two trillion, one hundred twelve billion, one hundred million, ten thousand, one hundred twenty".