2211102000209 has 4 divisors (see below), whose sum is σ = 2211111216804. Its totient is φ = 2211092783616.

The previous prime is 2211102000193. The next prime is 2211102000257. The reversal of 2211102000209 is 9020002011122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 572118268225 + 1638983731984 = 756385^2 + 1280228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211102000209 - 2⁴ = 2211102000193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211102005209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238552 + ... + 4731545.

It is an arithmetic number, because the mean of its divisors is an integer number (552777804201).

Almost surely, 2^{2211102000209} is an apocalyptic number.

It is an amenable number.

2211102000209 is a deficient number, since it is larger than the sum of its proper divisors (9216595).

2211102000209 is an equidigital number, since it uses as much as digits as its factorization.

2211102000209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9216594.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 2211102000209 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred nine", and thus it is an aban number.