111000111100988 has 6 divisors (see below), whose sum is σ = 194250194426736. Its totient is φ = 55500055550492.

The previous prime is 111000111100987. The next prime is 111000111100997. The reversal of 111000111100988 is 889001111000111.

It is a super-2 number, since 2×111000111100988² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000111100981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875013887620 + ... + 13875013887627.

It is an arithmetic number, because the mean of its divisors is an integer number (32375032404456).

Almost surely, 2^{111000111100988} is an apocalyptic number.

It is an amenable number.

111000111100988 is a deficient number, since it is larger than the sum of its proper divisors (83250083325748).

111000111100988 is a wasteful number, since it uses less digits than its factorization.

111000111100988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750027775251 (or 27750027775249 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 32.

The spelling of 111000111100988 in words is "one hundred eleven trillion, one hundred eleven million, one hundred thousand, nine hundred eighty-eight".