2213222102221 has 16 divisors (see below), whose sum is σ = 2463047072640. Its totient is φ = 1975706107200.

The previous prime is 2213222102209. The next prime is 2213222102237. The reversal of 2213222102221 is 1222012223122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2213222102221 - 2¹³ = 2213222094029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2213222102192 and 2213222102201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213222202221) 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, 19543801 + ... + 19656718.

It is an arithmetic number, because the mean of its divisors is an integer number (153940442040).

Almost surely, 2^{2213222102221} is an apocalyptic number.

It is an amenable number.

2213222102221 is a deficient number, since it is larger than the sum of its proper divisors (249824970419).

2213222102221 is a wasteful number, since it uses less digits than its factorization.

2213222102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39200676.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2213222102221 its reverse (1222012223122), we get a palindrome (3435234325343).

The spelling of 2213222102221 in words is "two trillion, two hundred thirteen billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty-one".