21300210112 has 56 divisors (see below), whose sum is σ = 46197682560. Its totient is φ = 9700270080.

The previous prime is 21300210109. The next prime is 21300210157. The reversal of 21300210112 is 21101200312.

It is a junction number, because it is equal to n+sod(n) for n = 21300210092 and 21300210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282037 + ... + 349492.

Almost surely, 2^21300210112 is an apocalyptic number.

It is an amenable number.

21300210112 is an abundant number, since it is smaller than the sum of its proper divisors (24897472448).

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

21300210112 is a wasteful number, since it uses less digits than its factorization.

21300210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631589 (or 631579 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21300210112 its reverse (21101200312), we get a palindrome (42401410424).

The spelling of 21300210112 in words is "twenty-one billion, three hundred million, two hundred ten thousand, one hundred twelve".