22012121109999 has 16 divisors (see below), whose sum is σ = 30646072714752. Its totient is φ = 14027313160608.

The previous prime is 22012121109941. The next prime is 22012121110009. The reversal of 22012121109999 is 99990112121022.

It is not a de Polignac number, because 22012121109999 - 2¹⁵ = 22012121077231 is a prime.

It is a super-2 number, since 2×22012121109999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012121109929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106734307 + ... + 106940340.

It is an arithmetic number, because the mean of its divisors is an integer number (1915379544672).

Almost surely, 2^{22012121109999} is an apocalyptic number.

22012121109999 is a deficient number, since it is larger than the sum of its proper divisors (8633951604753).

22012121109999 is a wasteful number, since it uses less digits than its factorization.

22012121109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213676166.

The product of its (nonzero) digits is 104976, while the sum is 48.

The spelling of 22012121109999 in words is "twenty-two trillion, twelve billion, one hundred twenty-one million, one hundred nine thousand, nine hundred ninety-nine".