10001001099 has 16 divisors (see below), whose sum is σ = 13709823008. Its totient is φ = 6480145152.

The previous prime is 10001001097. The next prime is 10001001119. The reversal of 10001001099 is 99010010001.

It is not a de Polignac number, because 10001001099 - 2¹ = 10001001097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001001097) 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, 55929 + ... + 152085.

It is an arithmetic number, because the mean of its divisors is an integer number (856863938).

Almost surely, 2^10001001099 is an apocalyptic number.

10001001099 is a deficient number, since it is larger than the sum of its proper divisors (3708821909).

10001001099 is an equidigital number, since it uses as much as digits as its factorization.

10001001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97134.

The product of its (nonzero) digits is 81, while the sum is 21.

The spelling of 10001001099 in words is "ten billion, one million, one thousand, ninety-nine".