13110013231021 has 6 divisors (see below), whose sum is σ = 15250423554510. Its totient is φ = 11237154197976.

The previous prime is 13110013230949. The next prime is 13110013231027. The reversal of 13110013231021 is 12013231001131.

It can be written as a sum of positive squares in only one way, i.e., 11673934557796 + 1436078673225 = 3416714^2 + 1198365^2 .

It is not a de Polignac number, because 13110013231021 - 2²⁷ = 13109879013293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13110013231021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110013231027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133775645166 + ... + 133775645263.

It is an arithmetic number, because the mean of its divisors is an integer number (2541737259085).

Almost surely, 2^{13110013231021} is an apocalyptic number.

It is an amenable number.

13110013231021 is a deficient number, since it is larger than the sum of its proper divisors (2140410323489).

13110013231021 is an equidigital number, since it uses as much as digits as its factorization.

13110013231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267551290443 (or 267551290436 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 13110013231021 its reverse (12013231001131), we get a palindrome (25123244232152).

The spelling of 13110013231021 in words is "thirteen trillion, one hundred ten billion, thirteen million, two hundred thirty-one thousand, twenty-one".