2103302221 has 2 divisors, whose sum is σ = 2103302222. Its totient is φ = 2103302220.

The previous prime is 2103302219. The next prime is 2103302233. The reversal of 2103302221 is 1222033012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1654455625 + 448846596 = 40675^2 + 21186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103302221 - 2¹ = 2103302219 is a prime.

Together with 2103302219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2103302195 and 2103302204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103302251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051651110 + 1051651111.

It is an arithmetic number, because the mean of its divisors is an integer number (1051651111).

Almost surely, 2^2103302221 is an apocalyptic number.

It is an amenable number.

2103302221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103302221 is an equidigital number, since it uses as much as digits as its factorization.

2103302221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2103302221 is about 45861.7729814276. The cubic root of 2103302221 is about 1281.2500444783.

Adding to 2103302221 its reverse (1222033012), we get a palindrome (3325335233).

The spelling of 2103302221 in words is "two billion, one hundred three million, three hundred two thousand, two hundred twenty-one".