102120310121310 has 48 divisors (see below), whose sum is σ = 285936868342944. Its totient is φ = 25137307106496.

The previous prime is 102120310121227. The next prime is 102120310121321. The reversal of 102120310121310 is 13121013021201.

102120310121310 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 20 + 310 + 1 + 21 + 310 = 666.

It is a super-2 number, since 2×102120310121310² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 43641157002 + ... + 43641159341.

It is an arithmetic number, because the mean of its divisors is an integer number (5957018090478).

Almost surely, 2^{102120310121310} is an apocalyptic number.

102120310121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102120310121310 is an abundant number, since it is smaller than the sum of its proper divisors (183816558221634).

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

102120310121310 is a wasteful number, since it uses less digits than its factorization.

102120310121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87282316369 (or 87282316366 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 102120310121310 its reverse (13121013021201), we get a palindrome (115241323142511).

The spelling of 102120310121310 in words is "one hundred two trillion, one hundred twenty billion, three hundred ten million, one hundred twenty-one thousand, three hundred ten".