22121241323331 has 16 divisors (see below), whose sum is σ = 29564519961600. Its totient is φ = 14712730992960.

The previous prime is 22121241323323. The next prime is 22121241323351. The reversal of 22121241323331 is 13332314212122.

It is not a de Polignac number, because 22121241323331 - 2³ = 22121241323323 is a prime.

It is a super-2 number, since 2×22121241323331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121241323351) 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, 36137095 + ... + 36744143.

It is an arithmetic number, because the mean of its divisors is an integer number (1847782497600).

Almost surely, 2^{22121241323331} is an apocalyptic number.

22121241323331 is a deficient number, since it is larger than the sum of its proper divisors (7443278638269).

22121241323331 is a wasteful number, since it uses less digits than its factorization.

22121241323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635666.

The product of its digits is 10368, while the sum is 30.

Adding to 22121241323331 its reverse (13332314212122), we get a palindrome (35453555535453).

The spelling of 22121241323331 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred forty-one million, three hundred twenty-three thousand, three hundred thirty-one".