1000100999999 has 16 divisors (see below), whose sum is σ = 1025252025696. Its totient is φ = 975254016000.

The previous prime is 1000100999923. The next prime is 1000101000001. The reversal of 1000100999999 is 9999990010001.

It is a cyclic number.

It is not a de Polignac number, because 1000100999999 - 2³⁶ = 931381523263 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 (1000100999099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63446279 + ... + 63462039.

It is an arithmetic number, because the mean of its divisors is an integer number (64078251606).

Almost surely, 2^{1000100999999} is an apocalyptic number.

1000100999999 is a deficient number, since it is larger than the sum of its proper divisors (25151025697).

1000100999999 is a wasteful number, since it uses less digits than its factorization.

1000100999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25306.

The product of its (nonzero) digits is 531441, while the sum is 56.

The spelling of 1000100999999 in words is "one trillion, one hundred million, nine hundred ninety-nine thousand, nine hundred ninety-nine".