111000100109 has 4 divisors (see below), whose sum is σ = 111011990016. Its totient is φ = 110988210204.

The previous prime is 111000100103. The next prime is 111000100117. The reversal of 111000100109 is 901001000111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111000100109 - 2⁴ = 111000100093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000100093 and 111000100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5930939 + ... + 5949624.

It is an arithmetic number, because the mean of its divisors is an integer number (27752997504).

Almost surely, 2^111000100109 is an apocalyptic number.

It is an amenable number.

111000100109 is a deficient number, since it is larger than the sum of its proper divisors (11889907).

111000100109 is an equidigital number, since it uses as much as digits as its factorization.

111000100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889906.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 111000100109 in words is "one hundred eleven billion, one hundred thousand, one hundred nine".