21424214141112 has 32 divisors (see below), whose sum is σ = 53920002042000. Its totient is φ = 7093475821824.

The previous prime is 21424214141093. The next prime is 21424214141123. The reversal of 21424214141112 is 21114141242412.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 21424214141112.

It is a congruent number.

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, 2995552093 + ... + 2995559244.

Almost surely, 2^{21424214141112} is an apocalyptic number.

It is an amenable number.

21424214141112 is an abundant number, since it is smaller than the sum of its proper divisors (32495787900888).

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

21424214141112 is a wasteful number, since it uses less digits than its factorization.

21424214141112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991111495 (or 5991111491 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

Adding to 21424214141112 its reverse (21114141242412), we get a palindrome (42538355383524).

The spelling of 21424214141112 in words is "twenty-one trillion, four hundred twenty-four billion, two hundred fourteen million, one hundred forty-one thousand, one hundred twelve".