22222110100012 has 6 divisors (see below), whose sum is σ = 38888692675028. Its totient is φ = 11111055050004.

The previous prime is 22222110099989. The next prime is 22222110100019. The reversal of 22222110100012 is 21000101122222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22222110100019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777763762498 + ... + 2777763762505.

Almost surely, 2^{22222110100012} is an apocalyptic number.

It is an amenable number.

22222110100012 is a deficient number, since it is larger than the sum of its proper divisors (16666582575016).

22222110100012 is a wasteful number, since it uses less digits than its factorization.

22222110100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555527525007 (or 5555527525005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22222110100012 its reverse (21000101122222), we get a palindrome (43222211222234).

The spelling of 22222110100012 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred ten million, one hundred thousand, twelve".