111110110001109 has 12 divisors (see below), whose sum is σ = 160600166478700. Its totient is φ = 74023659575424.

The previous prime is 111110110001063. The next prime is 111110110001117. The reversal of 111110110001109 is 901100011011111.

It can be written as a sum of positive squares in 2 ways, for example, as 26651767626225 + 84458342374884 = 5162535^2 + 9190122^2 .

It is a de Polignac number, because none of the positive numbers 2^k-111110110001109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111110110001091 and 111110110001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110110001119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4145576854 + ... + 4145603655.

Almost surely, 2^{111110110001109} is an apocalyptic number.

It is an amenable number.

111110110001109 is a deficient number, since it is larger than the sum of its proper divisors (49490056477591).

111110110001109 is a wasteful number, since it uses less digits than its factorization.

111110110001109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291182004 (or 8291182001 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

The spelling of 111110110001109 in words is "one hundred eleven trillion, one hundred ten billion, one hundred ten million, one thousand, one hundred nine".