100000000109 has 8 divisors (see below), whose sum is σ = 100143231552. Its totient is φ = 99856823040.

The previous prime is 100000000103. The next prime is 100000000129. The reversal of 100000000109 is 901000000001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100000000109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100000000109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000000103) 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, 4889114 + ... + 4909524.

It is an arithmetic number, because the mean of its divisors is an integer number (12517903944).

Almost surely, 2^100000000109 is an apocalyptic number.

It is an amenable number.

100000000109 is a deficient number, since it is larger than the sum of its proper divisors (143231443).

100000000109 is an equidigital number, since it uses as much as digits as its factorization.

100000000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27187.

The product of its (nonzero) digits is 9, while the sum is 11.

The spelling of 100000000109 in words is "one hundred billion, one hundred nine", and thus it is an aban number.