100111120200988 has 24 divisors (see below), whose sum is σ = 192230786690208. Its totient is φ = 45333337448256.

The previous prime is 100111120200947. The next prime is 100111120200991. The reversal of 100111120200988 is 889002021111001.

It is a super-2 number, since 2×100111120200988² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18162392056 + ... + 18162397567.

It is an arithmetic number, because the mean of its divisors is an integer number (8009616112092).

Almost surely, 2^{100111120200988} is an apocalyptic number.

It is an amenable number.

100111120200988 is a deficient number, since it is larger than the sum of its proper divisors (92119666489220).

100111120200988 is a wasteful number, since it uses less digits than its factorization.

100111120200988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36324789693 (or 36324789691 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

Adding to 100111120200988 its reverse (889002021111001), we get a palindrome (989113141311989).

The spelling of 100111120200988 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty million, two hundred thousand, nine hundred eighty-eight".