100090091091 has 16 divisors (see below), whose sum is σ = 136574165376. Its totient is φ = 65166761856.

The previous prime is 100090091063. The next prime is 100090091111. The reversal of 100090091091 is 190190090001.

It is not a de Polignac number, because 100090091091 - 2⁶ = 100090091027 is a prime.

It is a super-3 number, since 3×100090091091³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (100090591091) 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, 1084816 + ... + 1173458.

It is an arithmetic number, because the mean of its divisors is an integer number (8535885336).

Almost surely, 2^100090091091 is an apocalyptic number.

100090091091 is a deficient number, since it is larger than the sum of its proper divisors (36484074285).

100090091091 is an equidigital number, since it uses as much as digits as its factorization.

100090091091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97442.

The product of its (nonzero) digits is 729, while the sum is 30.

The spelling of 100090091091 in words is "one hundred billion, ninety million, ninety-one thousand, ninety-one".