111113401 has 16 divisors (see below), whose sum is σ = 129444480. Its totient is φ = 93415680.

The previous prime is 111113389. The next prime is 111113417. The reversal of 111113401 is 104311111.

111113401 = 421² + 422² + ... + 741².

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111113401 - 2⁵ = 111113369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111113201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80961 + ... + 82321.

It is an arithmetic number, because the mean of its divisors is an integer number (8090280).

Almost surely, 2^111113401 is an apocalyptic number.

It is an amenable number.

111113401 is a deficient number, since it is larger than the sum of its proper divisors (18331079).

111113401 is a wasteful number, since it uses less digits than its factorization.

111113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 111113401 is about 10541.0341523021. The cubic root of 111113401 is about 480.7531593377.

Adding to 111113401 its reverse (104311111), we get a palindrome (215424512).

The spelling of 111113401 in words is "one hundred eleven million, one hundred thirteen thousand, four hundred one".