100001911091 has 8 divisors (see below), whose sum is σ = 102032550144. Its totient is φ = 97988554440.

The previous prime is 100001911073. The next prime is 100001911099. The reversal of 100001911091 is 190119100001.

It is a happy number.

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 100001911091 - 2³⁰ = 98928169267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001911099) 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, 4308911 + ... + 4332056.

It is an arithmetic number, because the mean of its divisors is an integer number (12754068768).

Almost surely, 2^100001911091 is an apocalyptic number.

100001911091 is a deficient number, since it is larger than the sum of its proper divisors (2030639053).

100001911091 is an equidigital number, since it uses as much as digits as its factorization.

100001911091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641201.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 100001911091 in words is "one hundred billion, one million, nine hundred eleven thousand, ninety-one".