222021120012009 has 16 divisors (see below), whose sum is σ = 299080947880512. Its totient is φ = 146487695781888.

The previous prime is 222021120011989. The next prime is 222021120012017. The reversal of 222021120012009 is 900210021120222.

It is not a de Polignac number, because 222021120012009 - 2⁷ = 222021120011881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222021120012009.

It is not an unprimeable number, because it can be changed into a prime (222021120012089) 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, 107001202 + ... + 109056404.

It is an arithmetic number, because the mean of its divisors is an integer number (18692559242532).

Almost surely, 2^{222021120012009} is an apocalyptic number.

It is an amenable number.

222021120012009 is a deficient number, since it is larger than the sum of its proper divisors (77059827868503).

222021120012009 is a wasteful number, since it uses less digits than its factorization.

222021120012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426536.

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

The spelling of 222021120012009 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred twenty million, twelve thousand, nine".