22212120099 has 16 divisors (see below), whose sum is σ = 32027788800. Its totient is φ = 13611798816.

The previous prime is 22212120071. The next prime is 22212120101. The reversal of 22212120099 is 99002121222.

It is not a de Polignac number, because 22212120099 - 2⁵ = 22212120067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22212120059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182189 + ... + 1200830.

It is an arithmetic number, because the mean of its divisors is an integer number (2001736800).

Almost surely, 2^22212120099 is an apocalyptic number.

22212120099 is a deficient number, since it is larger than the sum of its proper divisors (9815668701).

22212120099 is a wasteful number, since it uses less digits than its factorization.

22212120099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383274.

The product of its (nonzero) digits is 2592, while the sum is 30.

It can be divided in two parts, 22212 and 120099, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 22212120099 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, ninety-nine".