111110111078242 has 8 divisors (see below), whose sum is σ = 166676330515500. Its totient is φ = 55551334239744.

The previous prime is 111110111078231. The next prime is 111110111078243. The reversal of 111110111078242 is 242870111011111.

It can be written as a sum of positive squares in 2 ways, for example, as 110613620324601 + 496490753641 = 10517301^2 + 704621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111110111078243) 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, 1860612367 + ... + 1860672082.

Almost surely, 2^{111110111078242} is an apocalyptic number.

111110111078242 is a deficient number, since it is larger than the sum of its proper divisors (55566219437258).

111110111078242 is a wasteful number, since it uses less digits than its factorization.

111110111078242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721299380.

The product of its (nonzero) digits is 896, while the sum is 31.

Adding to 111110111078242 its reverse (242870111011111), we get a palindrome (353980222089353).

The spelling of 111110111078242 in words is "one hundred eleven trillion, one hundred ten billion, one hundred eleven million, seventy-eight thousand, two hundred forty-two".