21222042414986 has 16 divisors (see below), whose sum is σ = 37635149111040. Its totient is φ = 8781534792240.

The previous prime is 21222042414983. The next prime is 21222042415001. The reversal of 21222042414986 is 68941424022212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21222042414986.

It is not an unprimeable number, because it can be changed into a prime (21222042414983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26135519810 + ... + 26135520621.

It is an arithmetic number, because the mean of its divisors is an integer number (2352196819440).

Almost surely, 2^{21222042414986} is an apocalyptic number.

21222042414986 is a deficient number, since it is larger than the sum of its proper divisors (16413106696054).

21222042414986 is a wasteful number, since it uses less digits than its factorization.

21222042414986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52271040469.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 21222042414986 in words is "twenty-one trillion, two hundred twenty-two billion, forty-two million, four hundred fourteen thousand, nine hundred eighty-six".