2201220211 has 4 divisors (see below), whose sum is σ = 2234074312. Its totient is φ = 2168366112.

The previous prime is 2201220199. The next prime is 2201220233. The reversal of 2201220211 is 1120221022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2201220211 - 2¹⁷ = 2201089139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201220191 and 2201220200.

It is not an unprimeable number, because it can be changed into a prime (2201220811) 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 3 ways as a sum of consecutive naturals, for example, 16426950 + ... + 16427083.

It is an arithmetic number, because the mean of its divisors is an integer number (558518578).

Almost surely, 2^2201220211 is an apocalyptic number.

2201220211 is a deficient number, since it is larger than the sum of its proper divisors (32854101).

2201220211 is an equidigital number, since it uses as much as digits as its factorization.

2201220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32854100.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2201220211 is about 46917.1632880761. The cubic root of 2201220211 is about 1300.8318563477.

Adding to 2201220211 its reverse (1120221022), we get a palindrome (3321441233).

The spelling of 2201220211 in words is "two billion, two hundred one million, two hundred twenty thousand, two hundred eleven".