102111110012120 has 32 divisors (see below), whose sum is σ = 250636360939920. Its totient is φ = 37131312731520.

The previous prime is 102111110012117. The next prime is 102111110012221. The reversal of 102111110012120 is 21210011111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111110012095 and 102111110012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116035351847 + ... + 116035352726.

Almost surely, 2^{102111110012120} is an apocalyptic number.

102111110012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111110012120 is an abundant number, since it is smaller than the sum of its proper divisors (148525250927800).

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

102111110012120 is a wasteful number, since it uses less digits than its factorization.

102111110012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232070704595 (or 232070704591 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102111110012120 its reverse (21210011111201), we get a palindrome (123321121123321).

The spelling of 102111110012120 in words is "one hundred two trillion, one hundred eleven billion, one hundred ten million, twelve thousand, one hundred twenty".