21332121303211 has 2 divisors, whose sum is σ = 21332121303212. Its totient is φ = 21332121303210.

The previous prime is 21332121303203. The next prime is 21332121303247. The reversal of 21332121303211 is 11230312123312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21332121303211 - 2³ = 21332121303203 is a prime.

It is not a weakly prime, because it can be changed into another prime (21332121306211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666060651605 + 10666060651606.

It is an arithmetic number, because the mean of its divisors is an integer number (10666060651606).

Almost surely, 2^{21332121303211} is an apocalyptic number.

21332121303211 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332121303211 is an equidigital number, since it uses as much as digits as its factorization.

21332121303211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21332121303211 its reverse (11230312123312), we get a palindrome (32562433426523).

The spelling of 21332121303211 in words is "twenty-one trillion, three hundred thirty-two billion, one hundred twenty-one million, three hundred three thousand, two hundred eleven".