22121110422124 has 24 divisors (see below), whose sum is σ = 44401940068640. Its totient is φ = 9446250347136.

The previous prime is 22121110422097. The next prime is 22121110422143. The reversal of 22121110422124 is 42122401112122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426056609 + ... + 1426072120.

Almost surely, 2^{22121110422124} is an apocalyptic number.

It is an amenable number.

22121110422124 is an abundant number, since it is smaller than the sum of its proper divisors (22280829646516).

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

22121110422124 is a wasteful number, since it uses less digits than its factorization.

22121110422124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852129017 (or 2852129015 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 22121110422124 its reverse (42122401112122), we get a palindrome (64243511534246).

The spelling of 22121110422124 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred ten million, four hundred twenty-two thousand, one hundred twenty-four".