111122222988 has 96 divisors (see below), whose sum is σ = 320352524800. Its totient is φ = 29265255936.

The previous prime is 111122222987. The next prime is 111122223053. The reversal of 111122222988 is 889222221111.

It is not an unprimeable number, because it can be changed into a prime (111122222987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881833 + ... + 999936.

Almost surely, 2^111122222988 is an apocalyptic number.

It is an amenable number.

111122222988 is an abundant number, since it is smaller than the sum of its proper divisors (209230301812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111122222988 is a wasteful number, since it uses less digits than its factorization.

111122222988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881839 (or 1881837 counting only the distinct ones).

The product of its digits is 18432, while the sum is 39.

The spelling of 111122222988 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, nine hundred eighty-eight".