111223042 has 12 divisors (see below), whose sum is σ = 194073030. Its totient is φ = 47666976.

The previous prime is 111223031. The next prime is 111223109. The reversal of 111223042 is 240322111.

It can be written as a sum of positive squares in only one way, i.e., 70913241 + 40309801 = 8421^2 + 6349^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 567367 + ... + 567562.

Almost surely, 2^111223042 is an apocalyptic number.

111223042 is a deficient number, since it is larger than the sum of its proper divisors (82849988).

111223042 is a wasteful number, since it uses less digits than its factorization.

111223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134945 (or 1134938 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111223042 is about 10546.2335456788. The cubic root of 111223042 is about 480.9112348681.

Adding to 111223042 its reverse (240322111), we get a palindrome (351545153).

The spelling of 111223042 in words is "one hundred eleven million, two hundred twenty-three thousand, forty-two".