7103010221 has 2 divisors, whose sum is σ = 7103010222. Its totient is φ = 7103010220.

The previous prime is 7103010209. The next prime is 7103010247. The reversal of 7103010221 is 1220103017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4759482121 + 2343528100 = 68989^2 + 48410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7103010221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7103010221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7103010721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551505110 + 3551505111.

It is an arithmetic number, because the mean of its divisors is an integer number (3551505111).

Almost surely, 2^7103010221 is an apocalyptic number.

It is an amenable number.

7103010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

7103010221 is an equidigital number, since it uses as much as digits as its factorization.

7103010221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 7103010221 is about 84279.3582142152. The cubic root of 7103010221 is about 1922.2689305353.

Adding to 7103010221 its reverse (1220103017), we get a palindrome (8323113238).

The spelling of 7103010221 in words is "seven billion, one hundred three million, ten thousand, two hundred twenty-one".