111306401 has 2 divisors, whose sum is σ = 111306402. Its totient is φ = 111306400.

The previous prime is 111306383. The next prime is 111306457. The reversal of 111306401 is 104603111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102010000 + 9296401 = 10100^2 + 3049^2 .

It is an emirp because it is prime and its reverse (104603111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111306401 is a prime.

It is a super-2 number, since 2×111306401² = 24778229807145602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111306401.

It is not a weakly prime, because it can be changed into another prime (111306491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55653200 + 55653201.

It is an arithmetic number, because the mean of its divisors is an integer number (55653201).

Almost surely, 2^111306401 is an apocalyptic number.

It is an amenable number.

111306401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111306401 is an equidigital number, since it uses as much as digits as its factorization.

111306401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 111306401 is about 10550.1848798967. The cubic root of 111306401 is about 481.0313486743.

Adding to 111306401 its reverse (104603111), we get a palindrome (215909512).

The spelling of 111306401 in words is "one hundred eleven million, three hundred six thousand, four hundred one".