111213203112342 has 48 divisors (see below), whose sum is σ = 242408733813792. Its totient is φ = 36848491211520.

The previous prime is 111213203112331. The next prime is 111213203112409. The reversal of 111213203112342 is 243211302312111.

111213203112342 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 1 + 3 + 2 + 0 + 311 + 2 + 342 = 666.

111213203112342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211121868 + ... + 211647984.

It is an arithmetic number, because the mean of its divisors is an integer number (5050181954454).

Almost surely, 2^{111213203112342} is an apocalyptic number.

111213203112342 is an abundant number, since it is smaller than the sum of its proper divisors (131195530701450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111213203112342 is a wasteful number, since it uses less digits than its factorization.

111213203112342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596613 (or 596610 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 111213203112342 its reverse (243211302312111), we get a palindrome (354424505424453).

The spelling of 111213203112342 in words is "one hundred eleven trillion, two hundred thirteen billion, two hundred three million, one hundred twelve thousand, three hundred forty-two".