2211022222209 has 12 divisors (see below), whose sum is σ = 3280014948756. Its totient is φ = 1434176576352.

The previous prime is 2211022222151. The next prime is 2211022222237. The reversal of 2211022222209 is 9022222201122.

2211022222209 is a `hidden beast` number, since 2 + 211 + 0 + 2 + 222 + 220 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 898840517184 + 1312181705025 = 948072^2 + 1145505^2 .

It is not a de Polignac number, because 2211022222209 - 2⁹ = 2211022221697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211022222249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3319852854 + ... + 3319853519.

It is an arithmetic number, because the mean of its divisors is an integer number (273334579063).

Almost surely, 2^{2211022222209} is an apocalyptic number.

It is an amenable number.

2211022222209 is a deficient number, since it is larger than the sum of its proper divisors (1068992726547).

2211022222209 is a wasteful number, since it uses less digits than its factorization.

2211022222209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639706416 (or 6639706413 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 2211022222209 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-two thousand, two hundred nine".