21013301210200 has 48 divisors (see below), whose sum is σ = 52614073421280. Its totient is φ = 7758757368960.

The previous prime is 21013301210197. The next prime is 21013301210201. The reversal of 21013301210200 is 201210331012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21013301210201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4041016864 + ... + 4041022063.

It is an arithmetic number, because the mean of its divisors is an integer number (1096126529610).

Almost surely, 2^{21013301210200} is an apocalyptic number.

21013301210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21013301210200 is an abundant number, since it is smaller than the sum of its proper divisors (31600772211080).

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

21013301210200 is a wasteful number, since it uses less digits than its factorization.

21013301210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082038956 (or 8082038947 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21013301210200 its reverse (201210331012), we get a palindrome (21214511541212).

The spelling of 21013301210200 in words is "twenty-one trillion, thirteen billion, three hundred one million, two hundred ten thousand, two hundred".