213312032110221 has 16 divisors (see below), whose sum is σ = 318657777699648. Its totient is φ = 125785964880000.

The previous prime is 213312032110117. The next prime is 213312032110279. The reversal of 213312032110221 is 122011230213312.

It is not a de Polignac number, because 213312032110221 - 2¹⁴ = 213312032093837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213312032110191 and 213312032110200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312032111221) 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, 87351363280 + ... + 87351365721.

It is an arithmetic number, because the mean of its divisors is an integer number (19916111106228).

Almost surely, 2^{213312032110221} is an apocalyptic number.

It is an amenable number.

213312032110221 is a deficient number, since it is larger than the sum of its proper divisors (105345745589427).

213312032110221 is a wasteful number, since it uses less digits than its factorization.

213312032110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174702729052.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 213312032110221 its reverse (122011230213312), we get a palindrome (335323262323533).

The spelling of 213312032110221 in words is "two hundred thirteen trillion, three hundred twelve billion, thirty-two million, one hundred ten thousand, two hundred twenty-one".