111230401 has 2 divisors, whose sum is σ = 111230402. Its totient is φ = 111230400.

The previous prime is 111230377. The next prime is 111230419. The reversal of 111230401 is 104032111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96020401 + 15210000 = 9799^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230401 - 2¹¹ = 111228353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111230491) 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 as a sum of consecutive naturals, namely, 55615200 + 55615201.

It is an arithmetic number, because the mean of its divisors is an integer number (55615201).

Almost surely, 2^111230401 is an apocalyptic number.

It is an amenable number.

111230401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230401 is an equidigital number, since it uses as much as digits as its factorization.

111230401 is an odious number, because the sum of its binary digits is odd.

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

The square root of 111230401 is about 10546.5824322384. The cubic root of 111230401 is about 480.9218410269.

Adding to 111230401 its reverse (104032111), we get a palindrome (215262512).

It can be divided in two parts, 1112 and 30401, that added together give a palindrome (31513).

The spelling of 111230401 in words is "one hundred eleven million, two hundred thirty thousand, four hundred one".