13211113321 has 16 divisors (see below), whose sum is σ = 16082309376. Its totient is φ = 10593870336.

The previous prime is 13211113277. The next prime is 13211113339. The reversal of 13211113321 is 12331111231.

It is not a de Polignac number, because 13211113321 - 2³³ = 4621178729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13211113121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312516 + ... + 352261.

It is an arithmetic number, because the mean of its divisors is an integer number (1005144336).

Almost surely, 2^13211113321 is an apocalyptic number.

It is an amenable number.

13211113321 is a deficient number, since it is larger than the sum of its proper divisors (2871196055).

13211113321 is a wasteful number, since it uses less digits than its factorization.

13211113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664968.

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

Adding to 13211113321 its reverse (12331111231), we get a palindrome (25542224552).

The spelling of 13211113321 in words is "thirteen billion, two hundred eleven million, one hundred thirteen thousand, three hundred twenty-one".