22321311321 has 16 divisors (see below), whose sum is σ = 33170990400. Its totient is φ = 13268395008.

The previous prime is 22321311317. The next prime is 22321311347. The reversal of 22321311321 is 12311312322.

It is not a de Polignac number, because 22321311321 - 2² = 22321311317 is a prime.

It is a super-3 number, since 3×22321311321³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22321313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11516736 + ... + 11518673.

It is an arithmetic number, because the mean of its divisors is an integer number (2073186900).

Almost surely, 2^22321311321 is an apocalyptic number.

It is an amenable number.

22321311321 is a deficient number, since it is larger than the sum of its proper divisors (10849679079).

22321311321 is a wasteful number, since it uses less digits than its factorization.

22321311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23035448.

The product of its digits is 432, while the sum is 21.

Adding to 22321311321 its reverse (12311312322), we get a palindrome (34632623643).

The spelling of 22321311321 in words is "twenty-two billion, three hundred twenty-one million, three hundred eleven thousand, three hundred twenty-one".