21202233130213 has 2 divisors, whose sum is σ = 21202233130214. Its totient is φ = 21202233130212.

The previous prime is 21202233130181. The next prime is 21202233130223. The reversal of 21202233130213 is 31203133220212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18129865694724 + 3072367435489 = 4257918^2 + 1752817^2 .

It is a cyclic number.

It is not a de Polignac number, because 21202233130213 - 2⁵ = 21202233130181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21202233130223) 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, 10601116565106 + 10601116565107.

It is an arithmetic number, because the mean of its divisors is an integer number (10601116565107).

Almost surely, 2^{21202233130213} is an apocalyptic number.

It is an amenable number.

21202233130213 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202233130213 is an equidigital number, since it uses as much as digits as its factorization.

21202233130213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21202233130213 its reverse (31203133220212), we get a palindrome (52405366350425).

The spelling of 21202233130213 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-three million, one hundred thirty thousand, two hundred thirteen".