130021313121 has 24 divisors (see below), whose sum is σ = 214903101504. Its totient is φ = 74206251360.

The previous prime is 130021313063. The next prime is 130021313141. The reversal of 130021313121 is 121313120031.

130021313121 is a `hidden beast` number, since 1 + 300 + 21 + 31 + 312 + 1 = 666.

It is not a de Polignac number, because 130021313121 - 2⁹ = 130021312609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130021313094 and 130021313103.

It is not an unprimeable number, because it can be changed into a prime (130021313141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1221306 + ... + 1323491.

It is an arithmetic number, because the mean of its divisors is an integer number (8954295896).

Almost surely, 2^130021313121 is an apocalyptic number.

It is an amenable number.

130021313121 is a deficient number, since it is larger than the sum of its proper divisors (84881788383).

130021313121 is a wasteful number, since it uses less digits than its factorization.

130021313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545621 (or 2545618 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 130021313121 its reverse (121313120031), we get a palindrome (251334433152).

The spelling of 130021313121 in words is "one hundred thirty billion, twenty-one million, three hundred thirteen thousand, one hundred twenty-one".