1020222012209 has 2 divisors, whose sum is σ = 1020222012210. Its totient is φ = 1020222012208.

The previous prime is 1020222012203. The next prime is 1020222012247. The reversal of 1020222012209 is 9022102220201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941094010000 + 79128002209 = 970100^2 + 281297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020222012209 - 2¹⁶ = 1020221946673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1020222012203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510111006104 + 510111006105.

It is an arithmetic number, because the mean of its divisors is an integer number (510111006105).

Almost surely, 2^{1020222012209} is an apocalyptic number.

It is an amenable number.

1020222012209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020222012209 is an equidigital number, since it uses as much as digits as its factorization.

1020222012209 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 23.

The spelling of 1020222012209 in words is "one trillion, twenty billion, two hundred twenty-two million, twelve thousand, two hundred nine".