221303230210301 has 2 divisors, whose sum is σ = 221303230210302. Its totient is φ = 221303230210300.

The previous prime is 221303230210277. The next prime is 221303230210399. The reversal of 221303230210301 is 103012032303122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220518074722201 + 785155488100 = 14849851^2 + 886090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221303230210301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221303230216301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110651615105150 + 110651615105151.

It is an arithmetic number, because the mean of its divisors is an integer number (110651615105151).

Almost surely, 2^{221303230210301} is an apocalyptic number.

It is an amenable number.

221303230210301 is a deficient number, since it is larger than the sum of its proper divisors (1).

221303230210301 is an equidigital number, since it uses as much as digits as its factorization.

221303230210301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221303230210301 its reverse (103012032303122), we get a palindrome (324315262513423).

The spelling of 221303230210301 in words is "two hundred twenty-one trillion, three hundred three billion, two hundred thirty million, two hundred ten thousand, three hundred one".