22121010011986 has 32 divisors (see below), whose sum is σ = 35951945439168. Its totient is φ = 10167366343680.

The previous prime is 22121010011927. The next prime is 22121010011993. The reversal of 22121010011986 is 68911001012122.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35614906 + ... + 36230698.

It is an arithmetic number, because the mean of its divisors is an integer number (1123498294974).

Almost surely, 2^{22121010011986} is an apocalyptic number.

22121010011986 is a deficient number, since it is larger than the sum of its proper divisors (13830935427182).

22121010011986 is a wasteful number, since it uses less digits than its factorization.

22121010011986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640426.

The product of its (nonzero) digits is 3456, while the sum is 34.

The spelling of 22121010011986 in words is "twenty-two trillion, one hundred twenty-one billion, ten million, eleven thousand, nine hundred eighty-six".