1322030331221 has 2 divisors, whose sum is σ = 1322030331222. Its totient is φ = 1322030331220.

The previous prime is 1322030331217. The next prime is 1322030331233. The reversal of 1322030331221 is 1221330302231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245433680100 + 76596651121 = 1115990^2 + 276761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322030331221 - 2² = 1322030331217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322030331121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661015165610 + 661015165611.

It is an arithmetic number, because the mean of its divisors is an integer number (661015165611).

Almost surely, 2^{1322030331221} is an apocalyptic number.

It is an amenable number.

1322030331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322030331221 is an equidigital number, since it uses as much as digits as its factorization.

1322030331221 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 23.

Adding to 1322030331221 its reverse (1221330302231), we get a palindrome (2543360633452).

The spelling of 1322030331221 in words is "one trillion, three hundred twenty-two billion, thirty million, three hundred thirty-one thousand, two hundred twenty-one".