22012100120999 has 8 divisors (see below), whose sum is σ = 22344035690880. Its totient is φ = 21680773051000.

The previous prime is 22012100120993. The next prime is 22012100121001. The reversal of 22012100120999 is 99902100121022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22012100120999 - 2²⁰ = 22012099072423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012100120993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152052077 + ... + 152196774.

It is an arithmetic number, because the mean of its divisors is an integer number (2793004461360).

Almost surely, 2^{22012100120999} is an apocalyptic number.

22012100120999 is a deficient number, since it is larger than the sum of its proper divisors (331935569881).

22012100120999 is a wasteful number, since it uses less digits than its factorization.

22012100120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304249941.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 22012100120999 in words is "twenty-two trillion, twelve billion, one hundred million, one hundred twenty thousand, nine hundred ninety-nine".