111320105 has 8 divisors (see below), whose sum is σ = 143859912. Its totient is φ = 82205568.

The previous prime is 111320093. The next prime is 111320123. The reversal of 111320105 is 501023111.

It can be written as a sum of positive squares in 4 ways, for example, as 7198489 + 104121616 = 2683^2 + 10204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111320105 - 2⁴ = 111320089 is a prime.

It is a super-2 number, since 2×111320105² = 24784331554422050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111320105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856244 + ... + 856373.

It is an arithmetic number, because the mean of its divisors is an integer number (17982489).

Almost surely, 2^111320105 is an apocalyptic number.

It is an amenable number.

111320105 is a deficient number, since it is larger than the sum of its proper divisors (32539807).

111320105 is a wasteful number, since it uses less digits than its factorization.

111320105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712635.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 111320105 is about 10550.8343271990. The cubic root of 111320105 is about 481.0510893272.

Adding to 111320105 its reverse (501023111), we get a palindrome (612343216).

The spelling of 111320105 in words is "one hundred eleven million, three hundred twenty thousand, one hundred five".