22203113323321 has 4 divisors (see below), whose sum is σ = 25374986655232. Its totient is φ = 19031239991412.

The previous prime is 22203113323289. The next prime is 22203113323351. The reversal of 22203113323321 is 12332331130222.

It is a happy number.

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 22203113323321 - 2⁵ = 22203113323289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22203113323321.

It is not an unprimeable number, because it can be changed into a prime (22203113323351) 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, 1585936665945 + ... + 1585936665958.

It is an arithmetic number, because the mean of its divisors is an integer number (6343746663808).

Almost surely, 2^{22203113323321} is an apocalyptic number.

It is an amenable number.

22203113323321 is a deficient number, since it is larger than the sum of its proper divisors (3171873331911).

22203113323321 is an equidigital number, since it uses as much as digits as its factorization.

22203113323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171873331910.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 22203113323321 its reverse (12332331130222), we get a palindrome (34535444453543).

The spelling of 22203113323321 in words is "twenty-two trillion, two hundred three billion, one hundred thirteen million, three hundred twenty-three thousand, three hundred twenty-one".