213010202331221 has 8 divisors (see below), whose sum is σ = 213188135472000. Its totient is φ = 212832337885200.

The previous prime is 213010202331217. The next prime is 213010202331299. The reversal of 213010202331221 is 122133202010312.

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

It is a cyclic number.

It is not a de Polignac number, because 213010202331221 - 2² = 213010202331217 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 (213010202631221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10968521 + ... + 23373678.

It is an arithmetic number, because the mean of its divisors is an integer number (26648516934000).

Almost surely, 2^{213010202331221} is an apocalyptic number.

It is an amenable number.

213010202331221 is a deficient number, since it is larger than the sum of its proper divisors (177933140779).

213010202331221 is a wasteful number, since it uses less digits than its factorization.

213010202331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34347379.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213010202331221 its reverse (122133202010312), we get a palindrome (335143404341533).

The spelling of 213010202331221 in words is "two hundred thirteen trillion, ten billion, two hundred two million, three hundred thirty-one thousand, two hundred twenty-one".