100011099999 has 4 divisors (see below), whose sum is σ = 133348133336. Its totient is φ = 66674066664.

The previous prime is 100011099971. The next prime is 100011100051. The reversal of 100011099999 is 999990110001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999990110001 = 3 ⋅333330036667.

It is not a de Polignac number, because 100011099999 - 2⁵ = 100011099967 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 (100011099499) 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, 16668516664 + ... + 16668516669.

It is an arithmetic number, because the mean of its divisors is an integer number (33337033334).

Almost surely, 2^100011099999 is an apocalyptic number.

100011099999 is a deficient number, since it is larger than the sum of its proper divisors (33337033337).

100011099999 is an equidigital number, since it uses as much as digits as its factorization.

100011099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33337033336.

The product of its (nonzero) digits is 59049, while the sum is 48.

The spelling of 100011099999 in words is "one hundred billion, eleven million, ninety-nine thousand, nine hundred ninety-nine".