111442342442 has 16 divisors (see below), whose sum is σ = 167302195200. Its totient is φ = 55674968400.

The previous prime is 111442342391. The next prime is 111442342481. The reversal of 111442342442 is 244243244111.

It is a junction number, because it is equal to n+sod(n) for n = 111442342399 and 111442342408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18263192 + ... + 18269292.

It is an arithmetic number, because the mean of its divisors is an integer number (10456387200).

Almost surely, 2^111442342442 is an apocalyptic number.

111442342442 is a deficient number, since it is larger than the sum of its proper divisors (55859852758).

111442342442 is a wasteful number, since it uses less digits than its factorization.

111442342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181.

The product of its digits is 24576, while the sum is 32.

Adding to 111442342442 its reverse (244243244111), we get a palindrome (355685586553).

The spelling of 111442342442 in words is "one hundred eleven billion, four hundred forty-two million, three hundred forty-two thousand, four hundred forty-two".