3321220102217 has 2 divisors, whose sum is σ = 3321220102218. Its totient is φ = 3321220102216.

The previous prime is 3321220102177. The next prime is 3321220102231. The reversal of 3321220102217 is 7122010221233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3135718473616 + 185501628601 = 1770796^2 + 430699^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321220102217 - 2¹⁰ = 3321220101193 is a prime.

It is a super-2 number, since 2×3321220102217² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3321220102237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660610051108 + 1660610051109.

It is an arithmetic number, because the mean of its divisors is an integer number (1660610051109).

Almost surely, 2^{3321220102217} is an apocalyptic number.

It is an amenable number.

3321220102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321220102217 is an equidigital number, since it uses as much as digits as its factorization.

3321220102217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 3321220102217 in words is "three trillion, three hundred twenty-one billion, two hundred twenty million, one hundred two thousand, two hundred seventeen".