111311211142 has 8 divisors (see below), whose sum is σ = 168030300096. Its totient is φ = 55301111112.

The previous prime is 111311211073. The next prime is 111311211163. The reversal of 111311211142 is 241112113111.

111311211142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 177246838 + ... + 177247465.

It is an arithmetic number, because the mean of its divisors is an integer number (21003787512).

Almost surely, 2^111311211142 is an apocalyptic number.

111311211142 is a deficient number, since it is larger than the sum of its proper divisors (56719088954).

111311211142 is a wasteful number, since it uses less digits than its factorization.

111311211142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354494462.

The product of its digits is 48, while the sum is 19.

Adding to 111311211142 its reverse (241112113111), we get a palindrome (352423324253).

The spelling of 111311211142 in words is "one hundred eleven billion, three hundred eleven million, two hundred eleven thousand, one hundred forty-two".