100001100999 has 8 divisors (see below), whose sum is σ = 133349650672. Its totient is φ = 66659976000.

The previous prime is 100001100961. The next prime is 100001101009. The reversal of 100001100999 is 999001100001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100001100999 - 2⁸ = 100001100743 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 (100001100499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824664 + ... + 1878669.

It is an arithmetic number, because the mean of its divisors is an integer number (16668706334).

Almost surely, 2^100001100999 is an apocalyptic number.

100001100999 is a deficient number, since it is larger than the sum of its proper divisors (33348549673).

100001100999 is an equidigital number, since it uses as much as digits as its factorization.

100001100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712337.

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

The spelling of 100001100999 in words is "one hundred billion, one million, one hundred thousand, nine hundred ninety-nine".