111113110105 has 4 divisors (see below), whose sum is σ = 133335732132. Its totient is φ = 88890488080.

The previous prime is 111113110093. The next prime is 111113110109. The reversal of 111113110105 is 501011311111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501011311111 = 97 ⋅5165065063.

It can be written as a sum of positive squares in 2 ways, for example, as 16009334784 + 95103775321 = 126528^2 + 308389^2 .

It is not a de Polignac number, because 111113110105 - 2²⁷ = 110978892377 is a prime.

It is a super-2 number, since 2×111113110105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113110109) 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, 11111311006 + ... + 11111311015.

It is an arithmetic number, because the mean of its divisors is an integer number (33333933033).

Almost surely, 2^111113110105 is an apocalyptic number.

It is an amenable number.

111113110105 is a deficient number, since it is larger than the sum of its proper divisors (22222622027).

111113110105 is an equidigital number, since it uses as much as digits as its factorization.

111113110105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22222622026.

The product of its (nonzero) digits is 15, while the sum is 16.

Adding to 111113110105 its reverse (501011311111), we get a palindrome (612124421216).

The spelling of 111113110105 in words is "one hundred eleven billion, one hundred thirteen million, one hundred ten thousand, one hundred five".