213221011343 has 8 divisors (see below), whose sum is σ = 220615401600. Its totient is φ = 205829417248.

The previous prime is 213221011337. The next prime is 213221011363. The reversal of 213221011343 is 343110122312.

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

It is not a de Polignac number, because 213221011343 - 2¹⁰ = 213221010319 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 (213221011313) 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, 543296 + ... + 849477.

It is an arithmetic number, because the mean of its divisors is an integer number (27576925200).

Almost surely, 2^213221011343 is an apocalyptic number.

213221011343 is a deficient number, since it is larger than the sum of its proper divisors (7394390257).

213221011343 is a wasteful number, since it uses less digits than its factorization.

213221011343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398081.

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

Adding to 213221011343 its reverse (343110122312), we get a palindrome (556331133655).

The spelling of 213221011343 in words is "two hundred thirteen billion, two hundred twenty-one million, eleven thousand, three hundred forty-three".