100001090001 has 8 divisors (see below), whose sum is σ = 133692254080. Its totient is φ = 66488659632.

The previous prime is 100001089999. The next prime is 100001090009. The reversal of 100001090001 is 100090100001.

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

It is not a de Polignac number, because 100001090001 - 2¹ = 100001089999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001090009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44682121 + ... + 44684358.

It is an arithmetic number, because the mean of its divisors is an integer number (16711531760).

Almost surely, 2^100001090001 is an apocalyptic number.

It is an amenable number.

100001090001 is a deficient number, since it is larger than the sum of its proper divisors (33691164079).

100001090001 is an equidigital number, since it uses as much as digits as its factorization.

100001090001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89366855.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 100001090001 its reverse (100090100001), we get a palindrome (200091190002).

The spelling of 100001090001 in words is "one hundred billion, one million, ninety thousand, one".