4021210213 has 2 divisors, whose sum is σ = 4021210214. Its totient is φ = 4021210212.

The previous prime is 4021210189. The next prime is 4021210241. The reversal of 4021210213 is 3120121204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4017277924 + 3932289 = 63382^2 + 1983^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021210213 - 2²¹ = 4019113061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021210273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010605106 + 2010605107.

It is an arithmetic number, because the mean of its divisors is an integer number (2010605107).

Almost surely, 2^4021210213 is an apocalyptic number.

It is an amenable number.

4021210213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021210213 is an equidigital number, since it uses as much as digits as its factorization.

4021210213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4021210213 is about 63413.0129626404. The cubic root of 4021210213 is about 1590.2018668319.

Adding to 4021210213 its reverse (3120121204), we get a palindrome (7141331417).

The spelling of 4021210213 in words is "four billion, twenty-one million, two hundred ten thousand, two hundred thirteen".