2201211109 has 2 divisors, whose sum is σ = 2201211110. Its totient is φ = 2201211108.

The previous prime is 2201211059. The next prime is 2201211137. The reversal of 2201211109 is 9011121022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842298084 + 358913025 = 42922^2 + 18945^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201211109 - 2⁷ = 2201210981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201211139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100605554 + 1100605555.

It is an arithmetic number, because the mean of its divisors is an integer number (1100605555).

Almost surely, 2^2201211109 is an apocalyptic number.

It is an amenable number.

2201211109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201211109 is an equidigital number, since it uses as much as digits as its factorization.

2201211109 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 19.

The square root of 2201211109 is about 46917.0662872264. The cubic root of 2201211109 is about 1300.8300633743.

The spelling of 2201211109 in words is "two billion, two hundred one million, two hundred eleven thousand, one hundred nine".