13021331120 has 40 divisors (see below), whose sum is σ = 34599538464. Its totient is φ = 4464456192.

The previous prime is 13021331117. The next prime is 13021331137. The reversal of 13021331120 is 2113312031.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11625629 + ... + 11626748.

Almost surely, 2^13021331120 is an apocalyptic number.

13021331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021331120 is an abundant number, since it is smaller than the sum of its proper divisors (21578207344).

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

13021331120 is a wasteful number, since it uses less digits than its factorization.

13021331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23252397 (or 23252391 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13021331120 its reverse (2113312031), we get a palindrome (15134643151).

The spelling of 13021331120 in words is "thirteen billion, twenty-one million, three hundred thirty-one thousand, one hundred twenty".