10001001099999 has 64 divisors (see below), whose sum is σ = 16862990412800. Its totient is φ = 5130387072000.

The previous prime is 10001001099959. The next prime is 10001001100021. The reversal of 10001001099999 is 99999010010001.

It is not a de Polignac number, because 10001001099999 - 2⁹ = 10001001099487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001001099959) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22517427 + ... + 22957275.

It is an arithmetic number, because the mean of its divisors is an integer number (263484225200).

Almost surely, 2^{10001001099999} is an apocalyptic number.

10001001099999 is a deficient number, since it is larger than the sum of its proper divisors (6861989312801).

10001001099999 is a wasteful number, since it uses less digits than its factorization.

10001001099999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442160.

The product of its (nonzero) digits is 59049, while the sum is 48.

The spelling of 10001001099999 in words is "ten trillion, one billion, one million, ninety-nine thousand, nine hundred ninety-nine".