332231331021221 has 2 divisors, whose sum is σ = 332231331021222. Its totient is φ = 332231331021220.

The previous prime is 332231331021203. The next prime is 332231331021319. The reversal of 332231331021221 is 122120133132233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297155194476100 + 35076136545121 = 17238190^2 + 5922511^2 .

It is a cyclic number.

It is not a de Polignac number, because 332231331021221 - 2²⁶ = 332231263912357 is a prime.

It is a super-2 number, since 2×332231331021221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332231331021521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166115665510610 + 166115665510611.

It is an arithmetic number, because the mean of its divisors is an integer number (166115665510611).

Almost surely, 2^{332231331021221} is an apocalyptic number.

It is an amenable number.

332231331021221 is a deficient number, since it is larger than the sum of its proper divisors (1).

332231331021221 is an equidigital number, since it uses as much as digits as its factorization.

332231331021221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 332231331021221 its reverse (122120133132233), we get a palindrome (454351464153454).

The spelling of 332231331021221 in words is "three hundred thirty-two trillion, two hundred thirty-one billion, three hundred thirty-one million, twenty-one thousand, two hundred twenty-one".