213223013102221 has 16 divisors (see below), whose sum is σ = 217044491650560. Its totient is φ = 209433839397120.

The previous prime is 213223013102171. The next prime is 213223013102227. The reversal of 213223013102221 is 122201310322312.

It is a cyclic number.

It is not a de Polignac number, because 213223013102221 - 2¹¹ = 213223013100173 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 (213223013102227) 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, 6516385 + ... + 21654313.

It is an arithmetic number, because the mean of its divisors is an integer number (13565280728160).

Almost surely, 2^{213223013102221} is an apocalyptic number.

It is an amenable number.

213223013102221 is a deficient number, since it is larger than the sum of its proper divisors (3821478548339).

213223013102221 is a wasteful number, since it uses less digits than its factorization.

213223013102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138996.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 213223013102221 its reverse (122201310322312), we get a palindrome (335424323424533).

The spelling of 213223013102221 in words is "two hundred thirteen trillion, two hundred twenty-three billion, thirteen million, one hundred two thousand, two hundred twenty-one".