222111333128 has 16 divisors (see below), whose sum is σ = 416470099500. Its totient is φ = 111052639936.

The previous prime is 222111333127. The next prime is 222111333187. The reversal of 222111333128 is 821333111222.

It can be written as a sum of positive squares in 2 ways, for example, as 220713919204 + 1397413924 = 469802^2 + 37382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222111333128.

It is not an unprimeable number, because it can be changed into a prime (222111333127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49643 + ... + 668346.

Almost surely, 2^222111333128 is an apocalyptic number.

It is an amenable number.

222111333128 is a deficient number, since it is larger than the sum of its proper divisors (194358766372).

222111333128 is a wasteful number, since it uses less digits than its factorization.

222111333128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756664 (or 756660 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The spelling of 222111333128 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred thirty-three thousand, one hundred twenty-eight".