22021103131 has 8 divisors (see below), whose sum is σ = 22456443744. Its totient is φ = 21589375680.

The previous prime is 22021103101. The next prime is 22021103171. The reversal of 22021103131 is 13130112022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22021103131 - 2²⁵ = 21987548699 is a prime.

It is a super-2 number, since 2×22021103131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021103101) 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 7 ways as a sum of consecutive naturals, for example, 890980 + ... + 915361.

It is an arithmetic number, because the mean of its divisors is an integer number (2807055468).

Almost surely, 2^22021103131 is an apocalyptic number.

22021103131 is a deficient number, since it is larger than the sum of its proper divisors (435340613).

22021103131 is a wasteful number, since it uses less digits than its factorization.

22021103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806581.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22021103131 its reverse (13130112022), we get a palindrome (35151215153).

The spelling of 22021103131 in words is "twenty-two billion, twenty-one million, one hundred three thousand, one hundred thirty-one".