111400342 has 4 divisors (see below), whose sum is σ = 167100516. Its totient is φ = 55700170.

The previous prime is 111400327. The next prime is 111400343. The reversal of 111400342 is 243004111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243004111 = 7 ⋅34714873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27850084 + ... + 27850087.

It is an arithmetic number, because the mean of its divisors is an integer number (41775129).

Almost surely, 2^111400342 is an apocalyptic number.

111400342 is a deficient number, since it is larger than the sum of its proper divisors (55700174).

111400342 is an equidigital number, since it uses as much as digits as its factorization.

111400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55700173.

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

The square root of 111400342 is about 10554.6360429908. The cubic root of 111400342 is about 481.1666384649.

Adding to 111400342 its reverse (243004111), we get a palindrome (354404453).

The spelling of 111400342 in words is "one hundred eleven million, four hundred thousand, three hundred forty-two".