111424411 has 4 divisors (see below), whose sum is σ = 127342192. Its totient is φ = 95506632.

The previous prime is 111424393. The next prime is 111424433. The reversal of 111424411 is 114424111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114424111 = 29 ⋅3945659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111424411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111424471) 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, 7958880 + ... + 7958893.

It is an arithmetic number, because the mean of its divisors is an integer number (31835548).

Almost surely, 2^111424411 is an apocalyptic number.

111424411 is a deficient number, since it is larger than the sum of its proper divisors (15917781).

111424411 is an equidigital number, since it uses as much as digits as its factorization.

111424411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15917780.

The product of its digits is 128, while the sum is 19.

The square root of 111424411 is about 10555.7761912614. The cubic root of 111424411 is about 481.2012893634.

Adding to 111424411 its reverse (114424111), we get a palindrome (225848522).

The spelling of 111424411 in words is "one hundred eleven million, four hundred twenty-four thousand, four hundred eleven".