2201112221 has 16 divisors (see below), whose sum is σ = 2759422848. Its totient is φ = 1705665600.

The previous prime is 2201112217. The next prime is 2201112241. The reversal of 2201112221 is 1222111022.

It is a cyclic number.

It is not a de Polignac number, because 2201112221 - 2² = 2201112217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201112196 and 2201112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201112241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65030 + ... + 92903.

It is an arithmetic number, because the mean of its divisors is an integer number (172463928).

Almost surely, 2^2201112221 is an apocalyptic number.

It is an amenable number.

2201112221 is a deficient number, since it is larger than the sum of its proper divisors (558310627).

2201112221 is a wasteful number, since it uses less digits than its factorization.

2201112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158132.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2201112221 is about 46916.0124158053. The cubic root of 2201112221 is about 1300.8105834300.

Adding to 2201112221 its reverse (1222111022), we get a palindrome (3423223243).

The spelling of 2201112221 in words is "two billion, two hundred one million, one hundred twelve thousand, two hundred twenty-one".