111140342 has 4 divisors (see below), whose sum is σ = 166710516. Its totient is φ = 55570170.

The previous prime is 111140333. The next prime is 111140387. The reversal of 111140342 is 243041111.

It is a happy number.

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

It is a super-3 number, since 3×111140342³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111140342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27785084 + ... + 27785087.

It is an arithmetic number, because the mean of its divisors is an integer number (41677629).

Almost surely, 2^111140342 is an apocalyptic number.

111140342 is a deficient number, since it is larger than the sum of its proper divisors (55570174).

111140342 is an equidigital number, since it uses as much as digits as its factorization.

111140342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55570173.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111140342 is about 10542.3119855182. The cubic root of 111140342 is about 480.7920113096.

Adding to 111140342 its reverse (243041111), we get a palindrome (354181453).

The spelling of 111140342 in words is "one hundred eleven million, one hundred forty thousand, three hundred forty-two".