100001100000999 has 4 divisors (see below), whose sum is σ = 133334800001336. Its totient is φ = 66667400000664.

The previous prime is 100001100000947. The next prime is 100001100001063. The reversal of 100001100000999 is 999000001100001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100001100000999 - 2⁷ = 100001100000871 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 (100001100000929) 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, 16666850000164 + ... + 16666850000169.

It is an arithmetic number, because the mean of its divisors is an integer number (33333700000334).

Almost surely, 2^{100001100000999} is an apocalyptic number.

100001100000999 is a deficient number, since it is larger than the sum of its proper divisors (33333700000337).

100001100000999 is an equidigital number, since it uses as much as digits as its factorization.

100001100000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333700000336.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 100001100000999 in words is "one hundred trillion, one billion, one hundred million, nine hundred ninety-nine", and thus it is an aban number.