210021213301300 has 18 divisors (see below), whose sum is σ = 455746032864038. Its totient is φ = 84008485320480.

The previous prime is 210021213301279. The next prime is 210021213301309. The reversal of 210021213301300 is 3103312120012.

It can be written as a sum of positive squares in 3 ways, for example, as 23092215150096 + 186928998151204 = 4805436^2 + 13672198^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021213301309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050106066407 + ... + 1050106066606.

Almost surely, 2^{210021213301300} is an apocalyptic number.

210021213301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210021213301300 is an abundant number, since it is smaller than the sum of its proper divisors (245724819562738).

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

210021213301300 is a wasteful number, since it uses less digits than its factorization.

210021213301300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100212133027 (or 2100212133020 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210021213301300 its reverse (3103312120012), we get a palindrome (213124525421312).

The spelling of 210021213301300 in words is "two hundred ten trillion, twenty-one billion, two hundred thirteen million, three hundred one thousand, three hundred".