101000100009999 has 4 divisors (see below), whose sum is σ = 134666800013336. Its totient is φ = 67333400006664.

The previous prime is 101000100009979. The next prime is 101000100010039. The reversal of 101000100009999 is 999900001000101.

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

It is not a de Polignac number, because 101000100009999 - 2³² = 100995805042703 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 (101000100009979) 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, 16833350001664 + ... + 16833350001669.

It is an arithmetic number, because the mean of its divisors is an integer number (33666700003334).

Almost surely, 2^{101000100009999} is an apocalyptic number.

101000100009999 is a deficient number, since it is larger than the sum of its proper divisors (33666700003337).

101000100009999 is an equidigital number, since it uses as much as digits as its factorization.

101000100009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666700003336.

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

The spelling of 101000100009999 in words is "one hundred one trillion, one hundred million, nine thousand, nine hundred ninety-nine".