21302202201211 has 2 divisors, whose sum is σ = 21302202201212. Its totient is φ = 21302202201210.

The previous prime is 21302202201173. The next prime is 21302202201253. The reversal of 21302202201211 is 11210220220312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21302202201211 - 2¹¹ = 21302202199163 is a prime.

It is not a weakly prime, because it can be changed into another prime (21302202201811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651101100605 + 10651101100606.

It is an arithmetic number, because the mean of its divisors is an integer number (10651101100606).

Almost surely, 2^{21302202201211} is an apocalyptic number.

21302202201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302202201211 is an equidigital number, since it uses as much as digits as its factorization.

21302202201211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21302202201211 its reverse (11210220220312), we get a palindrome (32512422421523).

The spelling of 21302202201211 in words is "twenty-one trillion, three hundred two billion, two hundred two million, two hundred one thousand, two hundred eleven".