2112220002209 has 2 divisors, whose sum is σ = 2112220002210. Its totient is φ = 2112220002208.

The previous prime is 2112220002203. The next prime is 2112220002251. The reversal of 2112220002209 is 9022000222112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111871619984 + 348382225 = 1453228^2 + 18665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112220002209 is a prime.

It is a super-2 number, since 2×2112220002209² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112220002203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056110001104 + 1056110001105.

It is an arithmetic number, because the mean of its divisors is an integer number (1056110001105).

Almost surely, 2^{2112220002209} is an apocalyptic number.

It is an amenable number.

2112220002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112220002209 is an equidigital number, since it uses as much as digits as its factorization.

2112220002209 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 2112220002209 in words is "two trillion, one hundred twelve billion, two hundred twenty million, two thousand, two hundred nine".