213331010221 has 8 divisors (see below), whose sum is σ = 251671606784. Its totient is φ = 176956598160.

The previous prime is 213331010203. The next prime is 213331010237. The reversal of 213331010221 is 122010133312.

213331010221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213331010221 - 2⁹ = 213331009709 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 (213331010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491545890 + ... + 491546323.

It is an arithmetic number, because the mean of its divisors is an integer number (31458950848).

Almost surely, 2^213331010221 is an apocalyptic number.

It is an amenable number.

213331010221 is a deficient number, since it is larger than the sum of its proper divisors (38340596563).

213331010221 is an equidigital number, since it uses as much as digits as its factorization.

213331010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983092251.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213331010221 its reverse (122010133312), we get a palindrome (335341143533).

The spelling of 213331010221 in words is "two hundred thirteen billion, three hundred thirty-one million, ten thousand, two hundred twenty-one".