22100323321231 has 4 divisors (see below), whose sum is σ = 22205064190264. Its totient is φ = 21995582452200.

The previous prime is 22100323321229. The next prime is 22100323321267. The reversal of 22100323321231 is 13212332300122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22100323321231 - 2¹ = 22100323321229 is a prime.

It is a super-2 number, since 2×22100323321231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100323321196 and 22100323321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100323321201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52370434200 + ... + 52370434621.

It is an arithmetic number, because the mean of its divisors is an integer number (5551266047566).

Almost surely, 2^{22100323321231} is an apocalyptic number.

22100323321231 is a deficient number, since it is larger than the sum of its proper divisors (104740869033).

22100323321231 is a wasteful number, since it uses less digits than its factorization.

22100323321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104740869032.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22100323321231 its reverse (13212332300122), we get a palindrome (35312655621353).

The spelling of 22100323321231 in words is "twenty-two trillion, one hundred billion, three hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-one".