22441431121 has 4 divisors (see below), whose sum is σ = 22963324912. Its totient is φ = 21919537332.

The previous prime is 22441431113. The next prime is 22441431127. The reversal of 22441431121 is 12113414422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22441431121 - 2³ = 22441431113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22441431127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260946831 + ... + 260946916.

It is an arithmetic number, because the mean of its divisors is an integer number (5740831228).

Almost surely, 2^22441431121 is an apocalyptic number.

It is an amenable number.

22441431121 is a deficient number, since it is larger than the sum of its proper divisors (521893791).

22441431121 is an equidigital number, since it uses as much as digits as its factorization.

22441431121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521893790.

The product of its digits is 1536, while the sum is 25.

Adding to 22441431121 its reverse (12113414422), we get a palindrome (34554845543).

The spelling of 22441431121 in words is "twenty-two billion, four hundred forty-one million, four hundred thirty-one thousand, one hundred twenty-one".