222112102122122 has 32 divisors (see below), whose sum is σ = 346916074481424. Its totient is φ = 106562921932800.

The previous prime is 222112102122121. The next prime is 222112102122149. The reversal of 222112102122122 is 221221201211222.

It can be written as a sum of positive squares in 8 ways, for example, as 23802308895121 + 198309793227001 = 4878761^2 + 14082251^2 .

It is not an unprimeable number, because it can be changed into a prime (222112102122121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63076838 + ... + 66504974.

Almost surely, 2^{222112102122122} is an apocalyptic number.

222112102122122 is a deficient number, since it is larger than the sum of its proper divisors (124803972359302).

222112102122122 is a wasteful number, since it uses less digits than its factorization.

222112102122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441194.

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

Adding to 222112102122122 its reverse (221221201211222), we get a palindrome (443333303333344).

The spelling of 222112102122122 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred twenty-two thousand, one hundred twenty-two".