100011981199 has 8 divisors (see below), whose sum is σ = 108342521840. Its totient is φ = 92318749848.

The previous prime is 100011981193. The next prime is 100011981211. The reversal of 100011981199 is 991189110001.

It is not a de Polignac number, because 100011981199 - 2⁷ = 100011981071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011981193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22758837 + ... + 22763230.

It is an arithmetic number, because the mean of its divisors is an integer number (13542815230).

Almost surely, 2^100011981199 is an apocalyptic number.

100011981199 is a deficient number, since it is larger than the sum of its proper divisors (8330540641).

100011981199 is an frugal number, since it uses more digits than its factorization.

100011981199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45522106 (or 45522080 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 40.

The spelling of 100011981199 in words is "one hundred billion, eleven million, nine hundred eighty-one thousand, one hundred ninety-nine".