21302122302001 has 2 divisors, whose sum is σ = 21302122302002. Its totient is φ = 21302122302000.

The previous prime is 21302122301959. The next prime is 21302122302047. The reversal of 21302122302001 is 10020322120312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14360878680625 + 6941243621376 = 3789575^2 + 2634624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21302122302001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21302122302001.

It is not a weakly prime, because it can be changed into another prime (21302122303001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651061151000 + 10651061151001.

It is an arithmetic number, because the mean of its divisors is an integer number (10651061151001).

Almost surely, 2^{21302122302001} is an apocalyptic number.

It is an amenable number.

21302122302001 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302122302001 is an equidigital number, since it uses as much as digits as its factorization.

21302122302001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21302122302001 its reverse (10020322120312), we get a palindrome (31322444422313).

The spelling of 21302122302001 in words is "twenty-one trillion, three hundred two billion, one hundred twenty-two million, three hundred two thousand, one".