2200110212221 has 4 divisors (see below), whose sum is σ = 2201325073344. Its totient is φ = 2198895351100.

The previous prime is 2200110212189. The next prime is 2200110212297. The reversal of 2200110212221 is 1222120110022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2200110212221 - 2⁵ = 2200110212189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200110212195 and 2200110212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200110212021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607427845 + ... + 607431466.

It is an arithmetic number, because the mean of its divisors is an integer number (550331268336).

Almost surely, 2^{2200110212221} is an apocalyptic number.

It is an amenable number.

2200110212221 is a deficient number, since it is larger than the sum of its proper divisors (1214861123).

2200110212221 is a wasteful number, since it uses less digits than its factorization.

2200110212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214861122.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2200110212221 its reverse (1222120110022), we get a palindrome (3422230322243).

The spelling of 2200110212221 in words is "two trillion, two hundred billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-one".