22112112201999 has 16 divisors (see below), whose sum is σ = 29660754859008. Its totient is φ = 14652447142752.

The previous prime is 22112112201997. The next prime is 22112112202127. The reversal of 22112112201999 is 99910221121122.

It is not a de Polignac number, because 22112112201999 - 2¹ = 22112112201997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22112112201999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112112201997) 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, 9737949 + ... + 11792025.

It is an arithmetic number, because the mean of its divisors is an integer number (1853797178688).

Almost surely, 2^{22112112201999} is an apocalyptic number.

22112112201999 is a deficient number, since it is larger than the sum of its proper divisors (7548642657009).

22112112201999 is a wasteful number, since it uses less digits than its factorization.

22112112201999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075734.

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

The spelling of 22112112201999 in words is "twenty-two trillion, one hundred twelve billion, one hundred twelve million, two hundred one thousand, nine hundred ninety-nine".