22303313121 has 4 divisors (see below), whose sum is σ = 29737750832. Its totient is φ = 14868875412.

The previous prime is 22303313089. The next prime is 22303313147. The reversal of 22303313121 is 12131330322.

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 not a de Polignac number, because 22303313121 - 2⁵ = 22303313089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22303313321) 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, 3717218851 + ... + 3717218856.

It is an arithmetic number, because the mean of its divisors is an integer number (7434437708).

Almost surely, 2^22303313121 is an apocalyptic number.

It is an amenable number.

22303313121 is a deficient number, since it is larger than the sum of its proper divisors (7434437711).

22303313121 is an equidigital number, since it uses as much as digits as its factorization.

22303313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434437710.

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

Adding to 22303313121 its reverse (12131330322), we get a palindrome (34434643443).

The spelling of 22303313121 in words is "twenty-two billion, three hundred three million, three hundred thirteen thousand, one hundred twenty-one".