100001109999 has 16 divisors (see below), whose sum is σ = 154880721920. Its totient is φ = 56206712160.

The previous prime is 100001109997. The next prime is 100001110019. The reversal of 100001109999 is 999901100001.

It is not a de Polignac number, because 100001109999 - 2¹ = 100001109997 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 (100001109997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39031159 + ... + 39033720.

It is an arithmetic number, because the mean of its divisors is an integer number (9680045120).

Almost surely, 2^100001109999 is an apocalyptic number.

100001109999 is a deficient number, since it is larger than the sum of its proper divisors (54879611921).

100001109999 is an equidigital number, since it uses as much as digits as its factorization.

100001109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78064950.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 100001109999 in words is "one hundred billion, one million, one hundred nine thousand, nine hundred ninety-nine".