111313201 has 4 divisors (see below), whose sum is σ = 111632500. Its totient is φ = 110993904.

The previous prime is 111313199. The next prime is 111313207. The reversal of 111313201 is 102313111.

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 67223601 + 44089600 = 8199^2 + 6640^2 .

It is a cyclic number.

It is not a de Polignac number, because 111313201 - 2¹ = 111313199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111313207) 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, 159126 + ... + 159823.

It is an arithmetic number, because the mean of its divisors is an integer number (27908125).

Almost surely, 2^111313201 is an apocalyptic number.

It is an amenable number.

111313201 is a deficient number, since it is larger than the sum of its proper divisors (319299).

111313201 is an equidigital number, since it uses as much as digits as its factorization.

111313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319298.

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

The square root of 111313201 is about 10550.5071442088. The cubic root of 111313201 is about 481.0411442971.

Adding to 111313201 its reverse (102313111), we get a palindrome (213626312).

The spelling of 111313201 in words is "one hundred eleven million, three hundred thirteen thousand, two hundred one".