111384401 has 4 divisors (see below), whose sum is σ = 111405552. Its totient is φ = 111363252.

The previous prime is 111384367. The next prime is 111384463. The reversal of 111384401 is 104483111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104483111 = 131 ⋅797581.

It is a cyclic number.

It is not a de Polignac number, because 111384401 - 2⁶ = 111384337 is a prime.

It is a super-2 number, since 2×111384401² = 24812969572257602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111384601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4286 + ... + 15528.

It is an arithmetic number, because the mean of its divisors is an integer number (27851388).

Almost surely, 2^111384401 is an apocalyptic number.

It is an amenable number.

111384401 is a deficient number, since it is larger than the sum of its proper divisors (21151).

111384401 is an equidigital number, since it uses as much as digits as its factorization.

111384401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21150.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 111384401 is about 10553.8808501897. The cubic root of 111384401 is about 481.1436862814.

The spelling of 111384401 in words is "one hundred eleven million, three hundred eighty-four thousand, four hundred one".