100100001100999 has 4 divisors (see below), whose sum is σ = 104452175061936. Its totient is φ = 95747827140064.

The previous prime is 100100001100997. The next prime is 100100001101083. The reversal of 100100001100999 is 999001100001001.

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

It is a cyclic number.

It is not a de Polignac number, because 100100001100999 - 2¹ = 100100001100997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100100001100999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100001100997) 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, 2176086980434 + ... + 2176086980479.

It is an arithmetic number, because the mean of its divisors is an integer number (26113043765484).

Almost surely, 2^{100100001100999} is an apocalyptic number.

100100001100999 is a deficient number, since it is larger than the sum of its proper divisors (4352173960937).

100100001100999 is an equidigital number, since it uses as much as digits as its factorization.

100100001100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352173960936.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 100100001100999 in words is "one hundred trillion, one hundred billion, one million, one hundred thousand, nine hundred ninety-nine".