213322110221 has 8 divisors (see below), whose sum is σ = 233022455904. Its totient is φ = 193673002320.

The previous prime is 213322110149. The next prime is 213322110223. The reversal of 213322110221 is 122011223312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213322110221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213322110193 and 213322110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213322110223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12800735 + ... + 12817388.

It is an arithmetic number, because the mean of its divisors is an integer number (29127806988).

Almost surely, 2^213322110221 is an apocalyptic number.

It is an amenable number.

213322110221 is a deficient number, since it is larger than the sum of its proper divisors (19700345683).

213322110221 is a wasteful number, since it uses less digits than its factorization.

213322110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25618891.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213322110221 its reverse (122011223312), we get a palindrome (335333333533).

The spelling of 213322110221 in words is "two hundred thirteen billion, three hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".