11021222002009 has 2 divisors, whose sum is σ = 11021222002010. Its totient is φ = 11021222002008.

The previous prime is 11021222001991. The next prime is 11021222002051. The reversal of 11021222002009 is 90020022212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10461311016025 + 559910985984 = 3234395^2 + 748272^2 .

It is an emirp because it is prime and its reverse (90020022212011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11021222002009 - 2¹⁷ = 11021221870937 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021222002909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510611001004 + 5510611001005.

It is an arithmetic number, because the mean of its divisors is an integer number (5510611001005).

Almost surely, 2^{11021222002009} is an apocalyptic number.

It is an amenable number.

11021222002009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021222002009 is an equidigital number, since it uses as much as digits as its factorization.

11021222002009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 11021222002009 in words is "eleven trillion, twenty-one billion, two hundred twenty-two million, two thousand, nine".