2213805211 has 2 divisors, whose sum is σ = 2213805212. Its totient is φ = 2213805210.

The previous prime is 2213805203. The next prime is 2213805221. The reversal of 2213805211 is 1125083122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2213805211 - 2³ = 2213805203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2213805221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106902605 + 1106902606.

It is an arithmetic number, because the mean of its divisors is an integer number (1106902606).

Almost surely, 2^2213805211 is an apocalyptic number.

2213805211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213805211 is an equidigital number, since it uses as much as digits as its factorization.

2213805211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 2213805211 is about 47051.0914963723. The cubic root of 2213805211 is about 1303.3062216103.

Adding to 2213805211 its reverse (1125083122), we get a palindrome (3338888333).

The spelling of 2213805211 in words is "two billion, two hundred thirteen million, eight hundred five thousand, two hundred eleven".