222131312122 has 32 divisors (see below), whose sum is σ = 348246604800. Its totient is φ = 106129128000.

The previous prime is 222131312089. The next prime is 222131312159. The reversal of 222131312122 is 221213131222.

It is a junction number, because it is equal to n+sod(n) for n = 222131312093 and 222131312102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16858597 + ... + 16871767.

It is an arithmetic number, because the mean of its divisors is an integer number (10882706400).

Almost surely, 2^222131312122 is an apocalyptic number.

222131312122 is a deficient number, since it is larger than the sum of its proper divisors (126115292678).

222131312122 is a wasteful number, since it uses less digits than its factorization.

222131312122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182.

The product of its digits is 576, while the sum is 22.

Adding to 222131312122 its reverse (221213131222), we get a palindrome (443344443344).

The spelling of 222131312122 in words is "two hundred twenty-two billion, one hundred thirty-one million, three hundred twelve thousand, one hundred twenty-two".