22101010011209 has 2 divisors, whose sum is σ = 22101010011210. Its totient is φ = 22101010011208.

The previous prime is 22101010011187. The next prime is 22101010011211. The reversal of 22101010011209 is 90211001010122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20079835988809 + 2021174022400 = 4481053^2 + 1421680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101010011209 is a prime.

Together with 22101010011211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22101010011229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050505005604 + 11050505005605.

It is an arithmetic number, because the mean of its divisors is an integer number (11050505005605).

Almost surely, 2^{22101010011209} is an apocalyptic number.

It is an amenable number.

22101010011209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101010011209 is an equidigital number, since it uses as much as digits as its factorization.

22101010011209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 22101010011209 in words is "twenty-two trillion, one hundred one billion, ten million, eleven thousand, two hundred nine".