22012320003121 has 16 divisors (see below), whose sum is σ = 27394123939200. Its totient is φ = 17258298075648.

The previous prime is 22012320003101. The next prime is 22012320003137. The reversal of 22012320003121 is 12130002321022.

It is not a de Polignac number, because 22012320003121 - 2⁹ = 22012320002609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (22012320003101) 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, 2853550720 + ... + 2853558433.

It is an arithmetic number, because the mean of its divisors is an integer number (1712132746200).

Almost surely, 2^{22012320003121} is an apocalyptic number.

It is an amenable number.

22012320003121 is a deficient number, since it is larger than the sum of its proper divisors (5381803936079).

22012320003121 is a wasteful number, since it uses less digits than its factorization.

22012320003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707109208.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22012320003121 its reverse (12130002321022), we get a palindrome (34142322324143).

The spelling of 22012320003121 in words is "twenty-two trillion, twelve billion, three hundred twenty million, three thousand, one hundred twenty-one".