100001320109 has 16 divisors (see below), whose sum is σ = 105431349504. Its totient is φ = 94662691200.

The previous prime is 100001320079. The next prime is 100001320127. The reversal of 100001320109 is 901023100001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100001320109 - 2⁸ = 100001319853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001320409) 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 15 ways as a sum of consecutive naturals, for example, 3827129 + ... + 3853169.

It is an arithmetic number, because the mean of its divisors is an integer number (6589459344).

Almost surely, 2^100001320109 is an apocalyptic number.

It is an amenable number.

100001320109 is a deficient number, since it is larger than the sum of its proper divisors (5430029395).

100001320109 is a wasteful number, since it uses less digits than its factorization.

100001320109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27788.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 100001320109 in words is "one hundred billion, one million, three hundred twenty thousand, one hundred nine".