100111010109 has 8 divisors (see below), whose sum is σ = 145616014752. Its totient is φ = 60673339440.

The previous prime is 100111010101. The next prime is 100111010123. The reversal of 100111010109 is 901010111001.

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

It is not a de Polignac number, because 100111010109 - 2³ = 100111010101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111010101) 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, 1516833454 + ... + 1516833519.

It is an arithmetic number, because the mean of its divisors is an integer number (18202001844).

Almost surely, 2^100111010109 is an apocalyptic number.

It is an amenable number.

100111010109 is a deficient number, since it is larger than the sum of its proper divisors (45505004643).

100111010109 is a wasteful number, since it uses less digits than its factorization.

100111010109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033666987.

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 100111010109 in words is "one hundred billion, one hundred eleven million, ten thousand, one hundred nine".