111320401 has 16 divisors (see below), whose sum is σ = 116032000. Its totient is φ = 106748928.

The previous prime is 111320381. The next prime is 111320423. The reversal of 111320401 is 104023111.

It is a cyclic number.

It is not a de Polignac number, because 111320401 - 2¹⁵ = 111287633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111320491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559300 + ... + 559498.

It is an arithmetic number, because the mean of its divisors is an integer number (7252000).

Almost surely, 2^111320401 is an apocalyptic number.

It is an amenable number.

111320401 is a deficient number, since it is larger than the sum of its proper divisors (4711599).

111320401 is an equidigital number, since it uses as much as digits as its factorization.

111320401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111320401 is about 10550.8483545163. The cubic root of 111320401 is about 481.0515156982.

Adding to 111320401 its reverse (104023111), we get a palindrome (215343512).

The spelling of 111320401 in words is "one hundred eleven million, three hundred twenty thousand, four hundred one".