222131303123 has 4 divisors (see below), whose sum is σ = 233822424360. Its totient is φ = 210440181888.

The previous prime is 222131303081. The next prime is 222131303143. The reversal of 222131303123 is 321303131222.

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 222131303123 - 2⁸ = 222131302867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222131303143) 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, 5845560590 + ... + 5845560627.

It is an arithmetic number, because the mean of its divisors is an integer number (58455606090).

Almost surely, 2^222131303123 is an apocalyptic number.

222131303123 is a deficient number, since it is larger than the sum of its proper divisors (11691121237).

222131303123 is a wasteful number, since it uses less digits than its factorization.

222131303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11691121236.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 222131303123 its reverse (321303131222), we get a palindrome (543434434345).

The spelling of 222131303123 in words is "two hundred twenty-two billion, one hundred thirty-one million, three hundred three thousand, one hundred twenty-three".