111131042 has 8 divisors (see below), whose sum is σ = 181850832. Its totient is φ = 50514100.

The previous prime is 111131029. The next prime is 111131051. The reversal of 111131042 is 240131111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525684 + ... + 2525727.

It is an arithmetic number, because the mean of its divisors is an integer number (22731354).

Almost surely, 2^111131042 is an apocalyptic number.

111131042 is a deficient number, since it is larger than the sum of its proper divisors (70719790).

111131042 is a wasteful number, since it uses less digits than its factorization.

111131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051424.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 111131042 is about 10541.8708965724. The cubic root of 111131042 is about 480.7786003665.

Adding to 111131042 its reverse (240131111), we get a palindrome (351262153).

The spelling of 111131042 in words is "one hundred eleven million, one hundred thirty-one thousand, forty-two".