111101111110142 has 8 divisors (see below), whose sum is σ = 168369725084736. Its totient is φ = 54977869415232.

The previous prime is 111101111110141. The next prime is 111101111110183. The reversal of 111101111110142 is 241011111101111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111101111110142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101111110141) 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, 286343069678 + ... + 286343070065.

It is an arithmetic number, because the mean of its divisors is an integer number (21046215635592).

Almost surely, 2^{111101111110142} is an apocalyptic number.

111101111110142 is a deficient number, since it is larger than the sum of its proper divisors (57268613974594).

111101111110142 is an equidigital number, since it uses as much as digits as its factorization.

111101111110142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572686139842.

The product of its (nonzero) digits is 8, while the sum is 17.

Adding to 111101111110142 its reverse (241011111101111), we get a palindrome (352112222211253).

The spelling of 111101111110142 in words is "one hundred eleven trillion, one hundred one billion, one hundred eleven million, one hundred ten thousand, one hundred forty-two".