111120110109 has 12 divisors (see below), whose sum is σ = 160869149376. Its totient is φ = 73912847112.

The previous prime is 111120110069. The next prime is 111120110141. The reversal of 111120110109 is 901011021111.

It is not a de Polignac number, because 111120110109 - 2⁸ = 111120109853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111120110091 and 111120110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120110609) 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, 13931317 + ... + 13939290.

It is an arithmetic number, because the mean of its divisors is an integer number (13405762448).

Almost surely, 2^111120110109 is an apocalyptic number.

It is an amenable number.

111120110109 is a deficient number, since it is larger than the sum of its proper divisors (49749039267).

111120110109 is a wasteful number, since it uses less digits than its factorization.

111120110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27871056 (or 27871053 counting only the distinct ones).

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

The spelling of 111120110109 in words is "one hundred eleven billion, one hundred twenty million, one hundred ten thousand, one hundred nine".