121002102131130 has 80 divisors (see below), whose sum is σ = 354939499610784. Its totient is φ = 29333842938720.

The previous prime is 121002102131089. The next prime is 121002102131143. The reversal of 121002102131130 is 31131201200121.

121002102131130 is a `hidden beast` number, since 1 + 210 + 0 + 210 + 213 + 1 + 1 + 30 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6790232512 + ... + 6790250331.

Almost surely, 2^{121002102131130} is an apocalyptic number.

121002102131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002102131130 is an abundant number, since it is smaller than the sum of its proper divisors (233937397479654).

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

121002102131130 is a wasteful number, since it uses less digits than its factorization.

121002102131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13580482873 (or 13580482864 counting only the distinct ones).

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

Adding to 121002102131130 its reverse (31131201200121), we get a palindrome (152133303331251).

The spelling of 121002102131130 in words is "one hundred twenty-one trillion, two billion, one hundred two million, one hundred thirty-one thousand, one hundred thirty".