111120313 has 4 divisors (see below), whose sum is σ = 117656820. Its totient is φ = 104583808.

The previous prime is 111120311. The next prime is 111120319. The reversal of 111120313 is 313021111.

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 102576384 + 8543929 = 10128^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 111120313 - 2¹ = 111120311 is a prime.

It is a super-2 number, since 2×111120313² = 24695447922435938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120293 and 111120302.

It is not an unprimeable number, because it can be changed into a prime (111120311) 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, 3268228 + ... + 3268261.

It is an arithmetic number, because the mean of its divisors is an integer number (29414205).

Almost surely, 2^111120313 is an apocalyptic number.

It is an amenable number.

111120313 is a deficient number, since it is larger than the sum of its proper divisors (6536507).

111120313 is an equidigital number, since it uses as much as digits as its factorization.

111120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536506.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111120313 is about 10541.3620087729. The cubic root of 111120313 is about 480.7631278231.

Adding to 111120313 its reverse (313021111), we get a palindrome (424141424).

The spelling of 111120313 in words is "one hundred eleven million, one hundred twenty thousand, three hundred thirteen".