21241321141112 has 128 divisors (see below), whose sum is σ = 41309097984000. Its totient is φ = 10233461185920.

The previous prime is 21241321141093. The next prime is 21241321141123. The reversal of 21241321141112 is 21114112314212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5420085089 + ... + 5420089007.

It is an arithmetic number, because the mean of its divisors is an integer number (322727328000).

Almost surely, 2^{21241321141112} is an apocalyptic number.

It is an amenable number.

21241321141112 is a deficient number, since it is larger than the sum of its proper divisors (20067776842888).

21241321141112 is a wasteful number, since it uses less digits than its factorization.

21241321141112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801 (or 4797 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

Adding to 21241321141112 its reverse (21114112314212), we get a palindrome (42355433455324).

The spelling of 21241321141112 in words is "twenty-one trillion, two hundred forty-one billion, three hundred twenty-one million, one hundred forty-one thousand, one hundred twelve".