11021202201209 has 2 divisors, whose sum is σ = 11021202201210. Its totient is φ = 11021202201208.

The previous prime is 11021202201199. The next prime is 11021202201227. The reversal of 11021202201209 is 90210220212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9184778809600 + 1836423391609 = 3030640^2 + 1355147^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021202201209 - 2²⁴ = 11021185423993 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 (11021202201809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510601100604 + 5510601100605.

It is an arithmetic number, because the mean of its divisors is an integer number (5510601100605).

Almost surely, 2^{11021202201209} is an apocalyptic number.

It is an amenable number.

11021202201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021202201209 is an equidigital number, since it uses as much as digits as its factorization.

11021202201209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 11021202201209 in words is "eleven trillion, twenty-one billion, two hundred two million, two hundred one thousand, two hundred nine".