22100220122012 has 24 divisors (see below), whose sum is σ = 39337028268720. Its totient is φ = 10861127550720.

The previous prime is 22100220121867. The next prime is 22100220122051. The reversal of 22100220122012 is 21022102200122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5776733 + ... + 8807444.

It is an arithmetic number, because the mean of its divisors is an integer number (1639042844530).

Almost surely, 2^{22100220122012} is an apocalyptic number.

It is an amenable number.

22100220122012 is a deficient number, since it is larger than the sum of its proper divisors (17236808146708).

22100220122012 is a wasteful number, since it uses less digits than its factorization.

22100220122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14590661 (or 14590659 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100220122012 its reverse (21022102200122), we get a palindrome (43122322322134).

The spelling of 22100220122012 in words is "twenty-two trillion, one hundred billion, two hundred twenty million, one hundred twenty-two thousand, twelve".