213211213303001 has 2 divisors, whose sum is σ = 213211213303002. Its totient is φ = 213211213303000.

The previous prime is 213211213302949. The next prime is 213211213303013. The reversal of 213211213303001 is 100303312112312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211831257971776 + 1379955331225 = 14554424^2 + 1174715^2 .

It is a cyclic number.

It is not a de Polignac number, because 213211213303001 - 2⁶ = 213211213302937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (213211213303051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605606651500 + 106605606651501.

It is an arithmetic number, because the mean of its divisors is an integer number (106605606651501).

Almost surely, 2^{213211213303001} is an apocalyptic number.

It is an amenable number.

213211213303001 is a deficient number, since it is larger than the sum of its proper divisors (1).

213211213303001 is an equidigital number, since it uses as much as digits as its factorization.

213211213303001 is an evil number, because the sum of its binary digits is even.

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

Adding to 213211213303001 its reverse (100303312112312), we get a palindrome (313514525415313).

The spelling of 213211213303001 in words is "two hundred thirteen trillion, two hundred eleven billion, two hundred thirteen million, three hundred three thousand, one".