22021122102009 has 16 divisors (see below), whose sum is σ = 29661309387072. Its totient is φ = 14531589107648.

The previous prime is 22021122101989. The next prime is 22021122102017. The reversal of 22021122102009 is 90020122112022.

It is a cyclic number.

It is not a de Polignac number, because 22021122102009 - 2²⁹ = 22020585231097 is a prime.

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 22021122102009.

It is not an unprimeable number, because it can be changed into a prime (22021122103009) 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 15 ways as a sum of consecutive naturals, for example, 93340134 + ... + 93575759.

It is an arithmetic number, because the mean of its divisors is an integer number (1853831836692).

Almost surely, 2^{22021122102009} is an apocalyptic number.

It is an amenable number.

22021122102009 is a deficient number, since it is larger than the sum of its proper divisors (7640187285063).

22021122102009 is a wasteful number, since it uses less digits than its factorization.

22021122102009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186916296.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 22021122102009 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred two thousand, nine".