111422401 has 8 divisors (see below), whose sum is σ = 115435008. Its totient is φ = 107436000.

The previous prime is 111422357. The next prime is 111422411. The reversal of 111422401 is 104224111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111422401 - 2⁹ = 111421889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111422411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2316 + ... + 15106.

It is an arithmetic number, because the mean of its divisors is an integer number (14429376).

Almost surely, 2^111422401 is an apocalyptic number.

It is an amenable number.

111422401 is a deficient number, since it is larger than the sum of its proper divisors (4012607).

111422401 is a wasteful number, since it uses less digits than its factorization.

111422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 111422401 is about 10555.6809822957. The cubic root of 111422401 is about 481.1983958610.

Adding to 111422401 its reverse (104224111), we get a palindrome (215646512).

The spelling of 111422401 in words is "one hundred eleven million, four hundred twenty-two thousand, four hundred one".