222112212210122 has 8 divisors (see below), whose sum is σ = 358796650493316. Its totient is φ = 102513328712352.

The previous prime is 222112212210023. The next prime is 222112212210209. The reversal of 222112212210122 is 221012212211222.

It can be written as a sum of positive squares in 2 ways, for example, as 197205315366361 + 24906896843761 = 14042981^2 + 4990681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271388696323 + ... + 4271388696374.

Almost surely, 2^{222112212210122} is an apocalyptic number.

222112212210122 is a deficient number, since it is larger than the sum of its proper divisors (136684438283194).

222112212210122 is a wasteful number, since it uses less digits than its factorization.

222112212210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542777392712.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222112212210122 its reverse (221012212211222), we get a palindrome (443124424421344).

The spelling of 222112212210122 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, two hundred ten thousand, one hundred twenty-two".