4032322131221 has 2 divisors, whose sum is σ = 4032322131222. Its totient is φ = 4032322131220.

The previous prime is 4032322131217. The next prime is 4032322131329. The reversal of 4032322131221 is 1221312232304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3751407291025 + 280914840196 = 1936855^2 + 530014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4032322131221 - 2² = 4032322131217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4032322131421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016161065610 + 2016161065611.

It is an arithmetic number, because the mean of its divisors is an integer number (2016161065611).

Almost surely, 2^{4032322131221} is an apocalyptic number.

It is an amenable number.

4032322131221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4032322131221 is an equidigital number, since it uses as much as digits as its factorization.

4032322131221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 4032322131221 its reverse (1221312232304), we get a palindrome (5253634363525).

The spelling of 4032322131221 in words is "four trillion, thirty-two billion, three hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-one".