22201102211209 has 2 divisors, whose sum is σ = 22201102211210. Its totient is φ = 22201102211208.

The previous prime is 22201102211207. The next prime is 22201102211237. The reversal of 22201102211209 is 90211220110222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18681456062025 + 3519646149184 = 4322205^2 + 1876072^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201102211209 - 2¹ = 22201102211207 is a prime.

Together with 22201102211207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22201102211207) 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, 11100551105604 + 11100551105605.

It is an arithmetic number, because the mean of its divisors is an integer number (11100551105605).

Almost surely, 2^{22201102211209} is an apocalyptic number.

It is an amenable number.

22201102211209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201102211209 is an equidigital number, since it uses as much as digits as its factorization.

22201102211209 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 25.

The spelling of 22201102211209 in words is "twenty-two trillion, two hundred one billion, one hundred two million, two hundred eleven thousand, two hundred nine".