100111200988 has 12 divisors (see below), whose sum is σ = 175671973792. Its totient is φ = 49919208480.

The previous prime is 100111200983. The next prime is 100111201019. The reversal of 100111200988 is 889002111001.

It is a super-2 number, since 2×100111200988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111200983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34096353 + ... + 34099288.

Almost surely, 2^100111200988 is an apocalyptic number.

It is an amenable number.

100111200988 is a deficient number, since it is larger than the sum of its proper divisors (75560772804).

100111200988 is a wasteful number, since it uses less digits than its factorization.

100111200988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68196012 (or 68196010 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

Adding to 100111200988 its reverse (889002111001), we get a palindrome (989113311989).

The spelling of 100111200988 in words is "one hundred billion, one hundred eleven million, two hundred thousand, nine hundred eighty-eight".