3021345330221 has 2 divisors, whose sum is σ = 3021345330222. Its totient is φ = 3021345330220.

The previous prime is 3021345330203. The next prime is 3021345330233. The reversal of 3021345330221 is 1220335431203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2974262406025 + 47082924196 = 1724605^2 + 216986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3021345330221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3021345330821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510672665110 + 1510672665111.

It is an arithmetic number, because the mean of its divisors is an integer number (1510672665111).

Almost surely, 2^{3021345330221} is an apocalyptic number.

It is an amenable number.

3021345330221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3021345330221 is an equidigital number, since it uses as much as digits as its factorization.

3021345330221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 3021345330221 in words is "three trillion, twenty-one billion, three hundred forty-five million, three hundred thirty thousand, two hundred twenty-one".