213321011333 has 4 divisors (see below), whose sum is σ = 213487279968. Its totient is φ = 213154742700.

The previous prime is 213321011329. The next prime is 213321011353. The reversal of 213321011333 is 333110123312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213321011333 - 2² = 213321011329 is a prime.

It is a super-2 number, since 2×213321011333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213321011299 and 213321011308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321011353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83132393 + ... + 83134958.

It is an arithmetic number, because the mean of its divisors is an integer number (53371819992).

Almost surely, 2^213321011333 is an apocalyptic number.

It is an amenable number.

213321011333 is a deficient number, since it is larger than the sum of its proper divisors (166268635).

213321011333 is a wasteful number, since it uses less digits than its factorization.

213321011333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166268634.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 213321011333 its reverse (333110123312), we get a palindrome (546431134645).

The spelling of 213321011333 in words is "two hundred thirteen billion, three hundred twenty-one million, eleven thousand, three hundred thirty-three".