222122111100999 has 16 divisors (see below), whose sum is σ = 304167645250560. Its totient is φ = 144079003493280.

The previous prime is 222122111100991. The next prime is 222122111101043. The reversal of 222122111100999 is 999001111221222.

It is not a de Polignac number, because 222122111100999 - 2³ = 222122111100991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222122111100999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122111100991) 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, 155247214 + ... + 156671444.

It is an arithmetic number, because the mean of its divisors is an integer number (19010477828160).

Almost surely, 2^{222122111100999} is an apocalyptic number.

222122111100999 is a deficient number, since it is larger than the sum of its proper divisors (82045534149561).

222122111100999 is a wasteful number, since it uses less digits than its factorization.

222122111100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829310.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 222122111100999 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred thousand, nine hundred ninety-nine".