21320041112 has 32 divisors (see below), whose sum is σ = 40851993600. Its totient is φ = 10426469664.

The previous prime is 21320041103. The next prime is 21320041117. The reversal of 21320041112 is 21114002312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21320041117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591233 + ... + 626255.

It is an arithmetic number, because the mean of its divisors is an integer number (1276624800).

Almost surely, 2^21320041112 is an apocalyptic number.

It is an amenable number.

21320041112 is a deficient number, since it is larger than the sum of its proper divisors (19531952488).

21320041112 is a wasteful number, since it uses less digits than its factorization.

21320041112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36695 (or 36691 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21320041112 its reverse (21114002312), we get a palindrome (42434043424).

The spelling of 21320041112 in words is "twenty-one billion, three hundred twenty million, forty-one thousand, one hundred twelve".