100100909091 has 16 divisors (see below), whose sum is σ = 133861392000. Its totient is φ = 66537348288.

The previous prime is 100100909057. The next prime is 100100909179. The reversal of 100100909091 is 190909001001.

It is not a de Polignac number, because 100100909091 - 2¹⁴ = 100100892707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100100909021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2556040 + ... + 2594906.

It is an arithmetic number, because the mean of its divisors is an integer number (8366337000).

Almost surely, 2^100100909091 is an apocalyptic number.

100100909091 is a deficient number, since it is larger than the sum of its proper divisors (33760482909).

100100909091 is a wasteful number, since it uses less digits than its factorization.

100100909091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41378.

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

The spelling of 100100909091 in words is "one hundred billion, one hundred million, nine hundred nine thousand, ninety-one".