22113242112142 has 32 divisors (see below), whose sum is σ = 33653654677440. Its totient is φ = 10896687482880.

The previous prime is 22113242112121. The next prime is 22113242112211. The reversal of 22113242112142 is 24121124231122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22113242112142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36719542 + ... + 37316902.

It is an arithmetic number, because the mean of its divisors is an integer number (1051676708670).

Almost surely, 2^{22113242112142} is an apocalyptic number.

22113242112142 is a deficient number, since it is larger than the sum of its proper divisors (11540412565298).

22113242112142 is a wasteful number, since it uses less digits than its factorization.

22113242112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598476.

The product of its digits is 3072, while the sum is 28.

Adding to 22113242112142 its reverse (24121124231122), we get a palindrome (46234366343264).

The spelling of 22113242112142 in words is "twenty-two trillion, one hundred thirteen billion, two hundred forty-two million, one hundred twelve thousand, one hundred forty-two".