213000021133 has 4 divisors (see below), whose sum is σ = 213001446688. Its totient is φ = 212998595580.

The previous prime is 213000021083. The next prime is 213000021161. The reversal of 213000021133 is 331120000312.

213000021133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213000021133 - 2⁹ = 213000020621 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 (213000022133) 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 3 ways as a sum of consecutive naturals, for example, 458391 + ... + 797572.

It is an arithmetic number, because the mean of its divisors is an integer number (53250361672).

Almost surely, 2^213000021133 is an apocalyptic number.

It is an amenable number.

213000021133 is a deficient number, since it is larger than the sum of its proper divisors (1425555).

213000021133 is a wasteful number, since it uses less digits than its factorization.

213000021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425554.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213000021133 its reverse (331120000312), we get a palindrome (544120021445).

The spelling of 213000021133 in words is "two hundred thirteen billion, twenty-one thousand, one hundred thirty-three".