99099100091 has 8 divisors (see below), whose sum is σ = 99342170400. Its totient is φ = 98856109440.

The previous prime is 99099100021. The next prime is 99099100097. The reversal of 99099100091 is 19000199099.

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

It is a cyclic number.

It is not a de Polignac number, because 99099100091 - 2³⁴ = 81919230907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99099100097) 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, 3039665 + ... + 3072093.

It is an arithmetic number, because the mean of its divisors is an integer number (12417771300).

Almost surely, 2^99099100091 is an apocalyptic number.

99099100091 is a deficient number, since it is larger than the sum of its proper divisors (243070309).

99099100091 is a wasteful number, since it uses less digits than its factorization.

99099100091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39829.

The product of its (nonzero) digits is 59049, while the sum is 47.

The spelling of 99099100091 in words is "ninety-nine billion, ninety-nine million, one hundred thousand, ninety-one".