111342234 has 8 divisors (see below), whose sum is σ = 222684480. Its totient is φ = 37114076.

The previous prime is 111342211. The next prime is 111342239. The reversal of 111342234 is 432243111.

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

111342234 is an admirable number.

It is a super-2 number, since 2×111342234² = 24794186144221512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111342234.

It is not an unprimeable number, because it can be changed into a prime (111342239) 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, 9278514 + ... + 9278525.

It is an arithmetic number, because the mean of its divisors is an integer number (27835560).

Almost surely, 2^111342234 is an apocalyptic number.

111342234 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.

111342234 is a wasteful number, since it uses less digits than its factorization.

111342234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18557044.

The product of its digits is 576, while the sum is 21.

The square root of 111342234 is about 10551.8829599271. The cubic root of 111342234 is about 481.0829627977.

Adding to 111342234 its reverse (432243111), we get a palindrome (543585345).

The spelling of 111342234 in words is "one hundred eleven million, three hundred forty-two thousand, two hundred thirty-four".