111110001109 has 4 divisors (see below), whose sum is σ = 111571038700. Its totient is φ = 110648963520.

The previous prime is 111110001091. The next prime is 111110001133. The reversal of 111110001109 is 901100011111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78412320484 + 32697680625 = 280022^2 + 180825^2 .

It is a cyclic number.

It is not a de Polignac number, because 111110001109 - 2²⁹ = 110573130197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110001092 and 111110001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110005109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230518434 + ... + 230518915.

It is an arithmetic number, because the mean of its divisors is an integer number (27892759675).

Almost surely, 2^111110001109 is an apocalyptic number.

It is an amenable number.

111110001109 is a deficient number, since it is larger than the sum of its proper divisors (461037591).

111110001109 is an equidigital number, since it uses as much as digits as its factorization.

111110001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461037590.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 111110001109 in words is "one hundred eleven billion, one hundred ten million, one thousand, one hundred nine".