2201210221 has 8 divisors (see below), whose sum is σ = 2516409920. Its totient is φ = 1886195808.

The previous prime is 2201210183. The next prime is 2201210279. The reversal of 2201210221 is 1220121022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201210221 - 2¹⁹ = 2200685933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201210821) 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 7 ways as a sum of consecutive naturals, for example, 19851 + ... + 69256.

It is an arithmetic number, because the mean of its divisors is an integer number (314551240).

Almost surely, 2^2201210221 is an apocalyptic number.

It is an amenable number.

2201210221 is a deficient number, since it is larger than the sum of its proper divisors (315199699).

2201210221 is an equidigital number, since it uses as much as digits as its factorization.

2201210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92643.

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

The square root of 2201210221 is about 46917.0568237182. The cubic root of 2201210221 is about 1300.8298884498.

Adding to 2201210221 its reverse (1220121022), we get a palindrome (3421331243).

The spelling of 2201210221 in words is "two billion, two hundred one million, two hundred ten thousand, two hundred twenty-one".