10221330409 has 2 divisors, whose sum is σ = 10221330410. Its totient is φ = 10221330408.

The previous prime is 10221330407. The next prime is 10221330439. The reversal of 10221330409 is 90403312201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10221210000 + 120409 = 101100^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221330409 - 2¹ = 10221330407 is a prime.

Together with 10221330407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10221330407) 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, 5110665204 + 5110665205.

It is an arithmetic number, because the mean of its divisors is an integer number (5110665205).

Almost surely, 2^10221330409 is an apocalyptic number.

It is an amenable number.

10221330409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221330409 is an equidigital number, since it uses as much as digits as its factorization.

10221330409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 10221330409 in words is "ten billion, two hundred twenty-one million, three hundred thirty thousand, four hundred nine".