111242234 has 4 divisors (see below), whose sum is σ = 166863354. Its totient is φ = 55621116.

The previous prime is 111242233. The next prime is 111242249. The reversal of 111242234 is 432242111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111239209 + 3025 = 10547^2 + 55^2 .

It is not an unprimeable number, because it can be changed into a prime (111242233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27810557 + ... + 27810560.

Almost surely, 2^111242234 is an apocalyptic number.

111242234 is a deficient number, since it is larger than the sum of its proper divisors (55621120).

111242234 is an equidigital number, since it uses as much as digits as its factorization.

111242234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55621119.

The product of its digits is 384, while the sum is 20.

The square root of 111242234 is about 10547.1434047329. The cubic root of 111242234 is about 480.9388943573.

Adding to 111242234 its reverse (432242111), we get a palindrome (543484345).

The spelling of 111242234 in words is "one hundred eleven million, two hundred forty-two thousand, two hundred thirty-four".