1000100009999 has 8 divisors (see below), whose sum is σ = 1021504955328. Its totient is φ = 978700324000.

The previous prime is 1000100009969. The next prime is 1000100010017. The reversal of 1000100009999 is 9999000010001.

It is a happy number.

1000100009999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000100009999 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 (1000100009969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929252 + ... + 1692249.

It is an arithmetic number, because the mean of its divisors is an integer number (127688119416).

Almost surely, 2^{1000100009999} is an apocalyptic number.

1000100009999 is a deficient number, since it is larger than the sum of its proper divisors (21404945329).

1000100009999 is an equidigital number, since it uses as much as digits as its factorization.

1000100009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629665.

The product of its (nonzero) digits is 6561, while the sum is 38.

The spelling of 1000100009999 in words is "one trillion, one hundred million, nine thousand, nine hundred ninety-nine".