21202010212063 has 2 divisors, whose sum is σ = 21202010212064. Its totient is φ = 21202010212062.

The previous prime is 21202010212007. The next prime is 21202010212109. The reversal of 21202010212063 is 36021201020212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202010212063 - 2²⁹ = 21201473341151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21202010218063) 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, 10601005106031 + 10601005106032.

It is an arithmetic number, because the mean of its divisors is an integer number (10601005106032).

Almost surely, 2^{21202010212063} is an apocalyptic number.

21202010212063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202010212063 is an equidigital number, since it uses as much as digits as its factorization.

21202010212063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21202010212063 its reverse (36021201020212), we get a palindrome (57223211232275).

The spelling of 21202010212063 in words is "twenty-one trillion, two hundred two billion, ten million, two hundred twelve thousand, sixty-three".