2200011221 has 8 divisors (see below), whose sum is σ = 2219019264. Its totient is φ = 2181029760.

The previous prime is 2200011217. The next prime is 2200011223. The reversal of 2200011221 is 1221100022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2200011221 - 2² = 2200011217 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 (2200011223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182501 + ... + 194181.

It is an arithmetic number, because the mean of its divisors is an integer number (277377408).

Almost surely, 2^2200011221 is an apocalyptic number.

It is an amenable number.

2200011221 is a deficient number, since it is larger than the sum of its proper divisors (19008043).

2200011221 is a wasteful number, since it uses less digits than its factorization.

2200011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2200011221 is about 46904.2772143437. The cubic root of 2200011221 is about 1300.5936580501.

Adding to 2200011221 its reverse (1221100022), we get a palindrome (3421111243).

The spelling of 2200011221 in words is "two billion, two hundred million, eleven thousand, two hundred twenty-one".