111242411 has 8 divisors (see below), whose sum is σ = 127801344. Its totient is φ = 94850280.

The previous prime is 111242399. The next prime is 111242429. The reversal of 111242411 is 114242111.

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

It is a de Polignac number, because none of the positive numbers 2^k-111242411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111242411.

It is not an unprimeable number, because it can be changed into a prime (111242491) 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, 40265 + ... + 42938.

It is an arithmetic number, because the mean of its divisors is an integer number (15975168).

Almost surely, 2^111242411 is an apocalyptic number.

111242411 is a deficient number, since it is larger than the sum of its proper divisors (16558933).

111242411 is an equidigital number, since it uses as much as digits as its factorization.

111242411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83401.

The product of its digits is 64, while the sum is 17.

The square root of 111242411 is about 10547.1517956271. The cubic root of 111242411 is about 480.9391494347.

Adding to 111242411 its reverse (114242111), we get a palindrome (225484522).

The spelling of 111242411 in words is "one hundred eleven million, two hundred forty-two thousand, four hundred eleven".