3301320221 has 2 divisors, whose sum is σ = 3301320222. Its totient is φ = 3301320220.

The previous prime is 3301320181. The next prime is 3301320223. The reversal of 3301320221 is 1220231033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2401980100 + 899340121 = 49010^2 + 29989^2 .

It is a cyclic number.

It is not a de Polignac number, because 3301320221 - 2¹⁸ = 3301058077 is a prime.

Together with 3301320223, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3301320221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3301320223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650660110 + 1650660111.

It is an arithmetic number, because the mean of its divisors is an integer number (1650660111).

Almost surely, 2^3301320221 is an apocalyptic number.

It is an amenable number.

3301320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3301320221 is an equidigital number, since it uses as much as digits as its factorization.

3301320221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3301320221 is about 57457.1163651640. The cubic root of 3301320221 is about 1489.0040671252.

Adding to 3301320221 its reverse (1220231033), we get a palindrome (4521551254).

The spelling of 3301320221 in words is "three billion, three hundred one million, three hundred twenty thousand, two hundred twenty-one".