22111203322321 has 4 divisors (see below), whose sum is σ = 22210356700672. Its totient is φ = 22012049943972.

The previous prime is 22111203322319. The next prime is 22111203322343. The reversal of 22111203322321 is 12322330211122.

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 22111203322321 - 2¹ = 22111203322319 is a prime.

It is a super-2 number, since 2×22111203322321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111203322721) 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, 49576688841 + ... + 49576689286.

It is an arithmetic number, because the mean of its divisors is an integer number (5552589175168).

Almost surely, 2^{22111203322321} is an apocalyptic number.

It is an amenable number.

22111203322321 is a deficient number, since it is larger than the sum of its proper divisors (99153378351).

22111203322321 is an equidigital number, since it uses as much as digits as its factorization.

22111203322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99153378350.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22111203322321 its reverse (12322330211122), we get a palindrome (34433533533443).

The spelling of 22111203322321 in words is "twenty-two trillion, one hundred eleven billion, two hundred three million, three hundred twenty-two thousand, three hundred twenty-one".