111355335242 has 16 divisors (see below), whose sum is σ = 177107610240. Its totient is φ = 52362245088.

The previous prime is 111355335211. The next prime is 111355335277. The reversal of 111355335242 is 242533553111.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10689698 + ... + 10700109.

It is an arithmetic number, because the mean of its divisors is an integer number (11069225640).

Almost surely, 2^111355335242 is an apocalyptic number.

111355335242 is a deficient number, since it is larger than the sum of its proper divisors (65752274998).

111355335242 is a wasteful number, since it uses less digits than its factorization.

111355335242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21389965.

The product of its digits is 54000, while the sum is 35.

Adding to 111355335242 its reverse (242533553111), we get a palindrome (353888888353).

The spelling of 111355335242 in words is "one hundred eleven billion, three hundred fifty-five million, three hundred thirty-five thousand, two hundred forty-two".