22331013321 has 16 divisors (see below), whose sum is σ = 30416984064. Its totient is φ = 14566375824.

The previous prime is 22331013319. The next prime is 22331013371. The reversal of 22331013321 is 12331013322.

It is not a de Polignac number, because 22331013321 - 2¹ = 22331013319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22331013371) 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, 510126 + ... + 552168.

It is an arithmetic number, because the mean of its divisors is an integer number (1901061504).

Almost surely, 2^22331013321 is an apocalyptic number.

It is an amenable number.

22331013321 is a deficient number, since it is larger than the sum of its proper divisors (8085970743).

22331013321 is a wasteful number, since it uses less digits than its factorization.

22331013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45860.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22331013321 its reverse (12331013322), we get a palindrome (34662026643).

Subtracting from 22331013321 its reverse (12331013322), we obtain a palindrome (9999999999).

The spelling of 22331013321 in words is "twenty-two billion, three hundred thirty-one million, thirteen thousand, three hundred twenty-one".