13102130111021 has 12 divisors (see below), whose sum is σ = 15255071456832. Its totient is φ = 11220215507928.

The previous prime is 13102130110961. The next prime is 13102130111089. The reversal of 13102130111021 is 12011103120131.

It is not a de Polignac number, because 13102130111021 - 2²² = 13102125916717 is a prime.

It is a super-2 number, since 2×13102130111021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102132111021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121156475 + ... + 121264568.

It is an arithmetic number, because the mean of its divisors is an integer number (1271255954736).

Almost surely, 2^{13102130111021} is an apocalyptic number.

It is an amenable number.

13102130111021 is a deficient number, since it is larger than the sum of its proper divisors (2152941345811).

13102130111021 is a wasteful number, since it uses less digits than its factorization.

13102130111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242422160 (or 242422153 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 13102130111021 its reverse (12011103120131), we get a palindrome (25113233231152).

The spelling of 13102130111021 in words is "thirteen trillion, one hundred two billion, one hundred thirty million, one hundred eleven thousand, twenty-one".