213220330332301 has 2 divisors, whose sum is σ = 213220330332302. Its totient is φ = 213220330332300.

The previous prime is 213220330332271. The next prime is 213220330332329. The reversal of 213220330332301 is 103233033022312.

It is an a-pointer prime, because the next prime (213220330332329) can be obtained adding 213220330332301 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144967138452900 + 68253191879401 = 12040230^2 + 8261549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213220330332301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213220330332301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213220330332371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106610165166150 + 106610165166151.

It is an arithmetic number, because the mean of its divisors is an integer number (106610165166151).

Almost surely, 2^{213220330332301} is an apocalyptic number.

It is an amenable number.

213220330332301 is a deficient number, since it is larger than the sum of its proper divisors (1).

213220330332301 is an equidigital number, since it uses as much as digits as its factorization.

213220330332301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 213220330332301 its reverse (103233033022312), we get a palindrome (316453363354613).

The spelling of 213220330332301 in words is "two hundred thirteen trillion, two hundred twenty billion, three hundred thirty million, three hundred thirty-two thousand, three hundred one".