100111223009 has 16 divisors (see below), whose sum is σ = 116449344000. Its totient is φ = 84293262144.

The previous prime is 100111222961. The next prime is 100111223071. The reversal of 100111223009 is 900322111001.

It is not a de Polignac number, because 100111223009 - 2¹⁶ = 100111157473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111223099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350534 + ... + 568415.

It is an arithmetic number, because the mean of its divisors is an integer number (7278084000).

Almost surely, 2^100111223009 is an apocalyptic number.

It is an amenable number.

100111223009 is a deficient number, since it is larger than the sum of its proper divisors (16338120991).

100111223009 is an equidigital number, since it uses as much as digits as its factorization.

100111223009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919232.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 100111223009 in words is "one hundred billion, one hundred eleven million, two hundred twenty-three thousand, nine".