132221212202221 has 2 divisors, whose sum is σ = 132221212202222. Its totient is φ = 132221212202220.

The previous prime is 132221212202201. The next prime is 132221212202257. The reversal of 132221212202221 is 122202212122231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89150212079721 + 43071000122500 = 9441939^2 + 6562850^2 .

It is an emirp because it is prime and its reverse (122202212122231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132221212202221 - 2²¹ = 132221210105069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132221212202201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66110606101110 + 66110606101111.

It is an arithmetic number, because the mean of its divisors is an integer number (66110606101111).

Almost surely, 2^{132221212202221} is an apocalyptic number.

It is an amenable number.

132221212202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132221212202221 is an equidigital number, since it uses as much as digits as its factorization.

132221212202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 132221212202221 its reverse (122202212122231), we get a palindrome (254423424324452).

The spelling of 132221212202221 in words is "one hundred thirty-two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred two thousand, two hundred twenty-one".