111244242 has 8 divisors (see below), whose sum is σ = 222488496. Its totient is φ = 37081412.

The previous prime is 111244241. The next prime is 111244271. The reversal of 111244242 is 242442111.

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

111244242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (111244241) 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, 9270348 + ... + 9270359.

It is an arithmetic number, because the mean of its divisors is an integer number (27811062).

Almost surely, 2^111244242 is an apocalyptic number.

111244242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111244242 is a wasteful number, since it uses less digits than its factorization.

111244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540712.

The product of its digits is 512, while the sum is 21.

The square root of 111244242 is about 10547.2385959549. The cubic root of 111244242 is about 480.9417881009.

Adding to 111244242 its reverse (242442111), we get a palindrome (353686353).

It can be divided in two parts, 1112 and 44242, that added together give a palindrome (45354).

The spelling of 111244242 in words is "one hundred eleven million, two hundred forty-four thousand, two hundred forty-two".