1010100009999 has 16 divisors (see below), whose sum is σ = 1501077415680. Its totient is φ = 600430965120.

The previous prime is 1010100009979. The next prime is 1010100010009. The reversal of 1010100009999 is 9999000010101.

It is not a de Polignac number, because 1010100009999 - 2⁵ = 1010100009967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010100009949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521206467 + ... + 521208404.

It is an arithmetic number, because the mean of its divisors is an integer number (93817338480).

Almost surely, 2^{1010100009999} is an apocalyptic number.

1010100009999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1010100009999 is a deficient number, since it is larger than the sum of its proper divisors (490977405681).

1010100009999 is a wasteful number, since it uses less digits than its factorization.

1010100009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042414910.

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

The spelling of 1010100009999 in words is "one trillion, ten billion, one hundred million, nine thousand, nine hundred ninety-nine".