222001121995 has 16 divisors (see below), whose sum is σ = 272592788832. Its totient is φ = 173502035200.

The previous prime is 222001121971. The next prime is 222001122023. The reversal of 222001121995 is 599121100222.

It is not a de Polignac number, because 222001121995 - 2²⁷ = 221866904267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222001121995.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735981 + ... + 1859470.

It is an arithmetic number, because the mean of its divisors is an integer number (17037049302).

Almost surely, 2^222001121995 is an apocalyptic number.

222001121995 is a deficient number, since it is larger than the sum of its proper divisors (50591666837).

222001121995 is a wasteful number, since it uses less digits than its factorization.

222001121995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595742.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 222001121995 in words is "two hundred twenty-two billion, one million, one hundred twenty-one thousand, nine hundred ninety-five".