111120879242 has 32 divisors (see below), whose sum is σ = 172992093120. Its totient is φ = 53496616320.

The previous prime is 111120879241. The next prime is 111120879277. The reversal of 111120879242 is 242978021111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111120879196 and 111120879205.

It is not an unprimeable number, because it can be changed into a prime (111120879241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3273734 + ... + 3307502.

It is an arithmetic number, because the mean of its divisors is an integer number (5406002910).

Almost surely, 2^111120879242 is an apocalyptic number.

111120879242 is a deficient number, since it is larger than the sum of its proper divisors (61871213878).

111120879242 is a wasteful number, since it uses less digits than its factorization.

111120879242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34358.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 111120879242 in words is "one hundred eleven billion, one hundred twenty million, eight hundred seventy-nine thousand, two hundred forty-two".