102120102020120 has 64 divisors (see below), whose sum is σ = 237701250259200. Its totient is φ = 39438175311360.

The previous prime is 102120102020029. The next prime is 102120102020141. The reversal of 102120102020120 is 21020201021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120102020095 and 102120102020104.

It is a congruent number.

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, 33776210 + ... + 36675230.

It is an arithmetic number, because the mean of its divisors is an integer number (3714082035300).

Almost surely, 2^{102120102020120} is an apocalyptic number.

102120102020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102120102020120 is an abundant number, since it is smaller than the sum of its proper divisors (135581148239080).

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

102120102020120 is a wasteful number, since it uses less digits than its factorization.

102120102020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929428 (or 2929424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102120102020120 its reverse (21020201021201), we get a palindrome (123140303041321).

The spelling of 102120102020120 in words is "one hundred two trillion, one hundred twenty billion, one hundred two million, twenty thousand, one hundred twenty".