222131000231123 has 4 divisors (see below), whose sum is σ = 222131182549248. Its totient is φ = 222130817913000.

The previous prime is 222131000231093. The next prime is 222131000231131. The reversal of 222131000231123 is 321132000131222.

222131000231123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222131000231123 - 2³⁰ = 222129926489299 is a prime.

It is a super-2 number, since 2×222131000231123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222131000231323) 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, 89319128 + ... + 91772373.

It is an arithmetic number, because the mean of its divisors is an integer number (55532795637312).

Almost surely, 2^{222131000231123} is an apocalyptic number.

222131000231123 is a deficient number, since it is larger than the sum of its proper divisors (182318125).

222131000231123 is a wasteful number, since it uses less digits than its factorization.

222131000231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182318124.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 222131000231123 its reverse (321132000131222), we get a palindrome (543263000362345).

Subtracting 222131000231123 from its reverse (321132000131222), we obtain a palindrome (99000999900099).

The spelling of 222131000231123 in words is "two hundred twenty-two trillion, one hundred thirty-one billion, two hundred thirty-one thousand, one hundred twenty-three".