111001000109 has 4 divisors (see below), whose sum is σ = 111465439680. Its totient is φ = 110536560540.

The previous prime is 111001000069. The next prime is 111001000127. The reversal of 111001000109 is 901000100111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 901000100111 = 251437 ⋅3583403.

It is a cyclic number.

It is not a de Polignac number, because 111001000109 - 2¹⁶ = 111000934573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001000093 and 111001000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001000169) 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, 232219427 + ... + 232219904.

It is an arithmetic number, because the mean of its divisors is an integer number (27866359920).

Almost surely, 2^111001000109 is an apocalyptic number.

It is an amenable number.

111001000109 is a deficient number, since it is larger than the sum of its proper divisors (464439571).

111001000109 is an equidigital number, since it uses as much as digits as its factorization.

111001000109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464439570.

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

The spelling of 111001000109 in words is "one hundred eleven billion, one million, one hundred nine", and thus it is an aban number.