21030322210301 has 2 divisors, whose sum is σ = 21030322210302. Its totient is φ = 21030322210300.

The previous prime is 21030322210291. The next prime is 21030322210321. The reversal of 21030322210301 is 10301222303012.

It is an a-pointer prime, because the next prime (21030322210321) can be obtained adding 21030322210301 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21028919632900 + 1402577401 = 4585730^2 + 37451^2 .

It is a cyclic number.

It is not a de Polignac number, because 21030322210301 - 2¹⁰ = 21030322209277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21030322210321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10515161105150 + 10515161105151.

It is an arithmetic number, because the mean of its divisors is an integer number (10515161105151).

Almost surely, 2^{21030322210301} is an apocalyptic number.

It is an amenable number.

21030322210301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21030322210301 is an equidigital number, since it uses as much as digits as its factorization.

21030322210301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21030322210301 its reverse (10301222303012), we get a palindrome (31331544513313).

The spelling of 21030322210301 in words is "twenty-one trillion, thirty billion, three hundred twenty-two million, two hundred ten thousand, three hundred one".