222112320122 has 16 divisors (see below), whose sum is σ = 415378884672. Its totient is φ = 86537267520.

The previous prime is 222112320119. The next prime is 222112320139. The reversal of 222112320122 is 221023211222.

It is a junction number, because it is equal to n+sod(n) for n = 222112320094 and 222112320103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721143743 + ... + 721144050.

It is an arithmetic number, because the mean of its divisors is an integer number (25961180292).

Almost surely, 2^222112320122 is an apocalyptic number.

222112320122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222112320122 is a deficient number, since it is larger than the sum of its proper divisors (193266564550).

222112320122 is a wasteful number, since it uses less digits than its factorization.

222112320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442287813.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222112320122 its reverse (221023211222), we get a palindrome (443135531344).

The spelling of 222112320122 in words is "two hundred twenty-two billion, one hundred twelve million, three hundred twenty thousand, one hundred twenty-two".