210213303011321 has 4 divisors (see below), whose sum is σ = 210213673522944. Its totient is φ = 210212932499700.

The previous prime is 210213303011291. The next prime is 210213303011333. The reversal of 210213303011321 is 123110303312012.

210213303011321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210213303011321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210213303013321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184403465 + ... + 185539926.

It is an arithmetic number, because the mean of its divisors is an integer number (52553418380736).

Almost surely, 2^{210213303011321} is an apocalyptic number.

It is an amenable number.

210213303011321 is a deficient number, since it is larger than the sum of its proper divisors (370511623).

210213303011321 is an equidigital number, since it uses as much as digits as its factorization.

210213303011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370511622.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 210213303011321 its reverse (123110303312012), we get a palindrome (333323606323333).

The spelling of 210213303011321 in words is "two hundred ten trillion, two hundred thirteen billion, three hundred three million, eleven thousand, three hundred twenty-one".