111323012242 has 16 divisors (see below), whose sum is σ = 181609975512. Its totient is φ = 50871139200.

The previous prime is 111323012237. The next prime is 111323012249. The reversal of 111323012242 is 242210323111.

It can be written as a sum of positive squares in 4 ways, for example, as 111028237681 + 294774561 = 333209^2 + 17169^2 .

It is not an unprimeable number, because it can be changed into a prime (111323012249) 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, 21193683 + ... + 21198934.

Almost surely, 2^111323012242 is an apocalyptic number.

111323012242 is a deficient number, since it is larger than the sum of its proper divisors (70286963270).

111323012242 is a wasteful number, since it uses less digits than its factorization.

111323012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42392733.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 111323012242 its reverse (242210323111), we get a palindrome (353533335353).

The spelling of 111323012242 in words is "one hundred eleven billion, three hundred twenty-three million, twelve thousand, two hundred forty-two".