22112100122212 has 12 divisors (see below), whose sum is σ = 38696215558000. Its totient is φ = 11056038534216.

The previous prime is 22112100122197. The next prime is 22112100122269. The reversal of 22112100122212 is 21222100121122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112100122212.

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, 2588023 + ... + 7135969.

Almost surely, 2^{22112100122212} is an apocalyptic number.

It is an amenable number.

22112100122212 is a deficient number, since it is larger than the sum of its proper divisors (16584115435788).

22112100122212 is a wasteful number, since it uses less digits than its factorization.

22112100122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763450 (or 5763448 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112100122212 its reverse (21222100121122), we get a palindrome (43334200243334).

The spelling of 22112100122212 in words is "twenty-two trillion, one hundred twelve billion, one hundred million, one hundred twenty-two thousand, two hundred twelve".