133252022433221 has 2 divisors, whose sum is σ = 133252022433222. Its totient is φ = 133252022433220.

The previous prime is 133252022433193. The next prime is 133252022433317. The reversal of 133252022433221 is 122334220252331.

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., 85959581130721 + 47292441302500 = 9271439^2 + 6876950^2 .

It is a cyclic number.

It is not a de Polignac number, because 133252022433221 - 2²⁶ = 133251955324357 is a prime.

It is a super-2 number, since 2×133252022433221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133252022433421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66626011216610 + 66626011216611.

It is an arithmetic number, because the mean of its divisors is an integer number (66626011216611).

Almost surely, 2^{133252022433221} is an apocalyptic number.

It is an amenable number.

133252022433221 is a deficient number, since it is larger than the sum of its proper divisors (1).

133252022433221 is an equidigital number, since it uses as much as digits as its factorization.

133252022433221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 133252022433221 its reverse (122334220252331), we get a palindrome (255586242685552).

The spelling of 133252022433221 in words is "one hundred thirty-three trillion, two hundred fifty-two billion, twenty-two million, four hundred thirty-three thousand, two hundred twenty-one".