210213301021 has 8 divisors (see below), whose sum is σ = 210562934400. Its totient is φ = 209863810800.

The previous prime is 210213300971. The next prime is 210213301057. The reversal of 210213301021 is 120103312012.

210213301021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210213301021 - 2⁹ = 210213300509 is a prime.

It is a super-2 number, since 2×210213301021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210213300986 and 210213301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210213301621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3134640 + ... + 3200998.

It is an arithmetic number, because the mean of its divisors is an integer number (26320366800).

Almost surely, 2^210213301021 is an apocalyptic number.

It is an amenable number.

210213301021 is a deficient number, since it is larger than the sum of its proper divisors (349633379).

210213301021 is an equidigital number, since it uses as much as digits as its factorization.

210213301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71579.

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

Adding to 210213301021 its reverse (120103312012), we get a palindrome (330316613033).

The spelling of 210213301021 in words is "two hundred ten billion, two hundred thirteen million, three hundred one thousand, twenty-one".