111122113123342 has 16 divisors (see below), whose sum is σ = 175723359531552. Its totient is φ = 52597468154880.

The previous prime is 111122113123327. The next prime is 111122113123349. The reversal of 111122113123342 is 243321311221111.

It is a self number, because there is not a number n which added to its sum of digits gives 111122113123342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122113123349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12452047659 + ... + 12452056582.

It is an arithmetic number, because the mean of its divisors is an integer number (10982709970722).

Almost surely, 2^{111122113123342} is an apocalyptic number.

111122113123342 is a deficient number, since it is larger than the sum of its proper divisors (64601246408210).

111122113123342 is a wasteful number, since it uses less digits than its factorization.

111122113123342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24904104363.

The product of its digits is 1728, while the sum is 28.

Adding to 111122113123342 its reverse (243321311221111), we get a palindrome (354443424344453).

The spelling of 111122113123342 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred twenty-three thousand, three hundred forty-two".