22123100103231 has 4 divisors (see below), whose sum is σ = 29497466804312. Its totient is φ = 14748733402152.

The previous prime is 22123100103199. The next prime is 22123100103239. The reversal of 22123100103231 is 13230100132122.

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

It is not a de Polignac number, because 22123100103231 - 2⁵ = 22123100103199 is a prime.

It is a super-2 number, since 2×22123100103231² (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 = 22123100103198 and 22123100103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123100103239) 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, 3687183350536 + ... + 3687183350541.

It is an arithmetic number, because the mean of its divisors is an integer number (7374366701078).

Almost surely, 2^{22123100103231} is an apocalyptic number.

22123100103231 is a deficient number, since it is larger than the sum of its proper divisors (7374366701081).

22123100103231 is an equidigital number, since it uses as much as digits as its factorization.

22123100103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374366701080.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22123100103231 its reverse (13230100132122), we get a palindrome (35353200235353).

The spelling of 22123100103231 in words is "twenty-two trillion, one hundred twenty-three billion, one hundred million, one hundred three thousand, two hundred thirty-one".