1030320222221 has 2 divisors, whose sum is σ = 1030320222222. Its totient is φ = 1030320222220.

The previous prime is 1030320222163. The next prime is 1030320222263. The reversal of 1030320222221 is 1222220230301.

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., 820383062500 + 209937159721 = 905750^2 + 458189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030320222221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030320222193 and 1030320222202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030320222721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515160111110 + 515160111111.

It is an arithmetic number, because the mean of its divisors is an integer number (515160111111).

Almost surely, 2^{1030320222221} is an apocalyptic number.

It is an amenable number.

1030320222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030320222221 is an equidigital number, since it uses as much as digits as its factorization.

1030320222221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1030320222221 its reverse (1222220230301), we get a palindrome (2252540452522).

The spelling of 1030320222221 in words is "one trillion, thirty billion, three hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".