222112102121122 has 24 divisors (see below), whose sum is σ = 339005460935772. Its totient is φ = 109143245916000.

The previous prime is 222112102121113. The next prime is 222112102121167. The reversal of 222112102121122 is 221121201211222.

It can be written as a sum of positive squares in 2 ways, for example, as 214594695200601 + 7517406920521 = 14649051^2 + 2741789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222112102121093 and 222112102121102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20476372 + ... + 29385472.

Almost surely, 2^{222112102121122} is an apocalyptic number.

222112102121122 is a deficient number, since it is larger than the sum of its proper divisors (116893358814650).

222112102121122 is an equidigital number, since it uses as much as digits as its factorization.

222112102121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912802 (or 8912743 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222112102121122 its reverse (221121201211222), we get a palindrome (443233303332344).

The spelling of 222112102121122 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred twenty-one thousand, one hundred twenty-two".