2220002330321 has 2 divisors, whose sum is σ = 2220002330322. Its totient is φ = 2220002330320.

The previous prime is 2220002330303. The next prime is 2220002330363. The reversal of 2220002330321 is 1230332000222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124159749696 + 1095842580625 = 1060264^2 + 1046825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220002330321 - 2¹⁴ = 2220002313937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220002330293 and 2220002330302.

It is not a weakly prime, because it can be changed into another prime (2220002330621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110001165160 + 1110001165161.

It is an arithmetic number, because the mean of its divisors is an integer number (1110001165161).

Almost surely, 2^{2220002330321} is an apocalyptic number.

It is an amenable number.

2220002330321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220002330321 is an equidigital number, since it uses as much as digits as its factorization.

2220002330321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2220002330321 its reverse (1230332000222), we get a palindrome (3450334330543).

The spelling of 2220002330321 in words is "two trillion, two hundred twenty billion, two million, three hundred thirty thousand, three hundred twenty-one".