2133213012311 has 4 divisors (see below), whose sum is σ = 2245487381400. Its totient is φ = 2020938643224.

The previous prime is 2133213012263. The next prime is 2133213012353. The reversal of 2133213012311 is 1132103123312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133213012311 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 (2133213012391) 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 3 ways as a sum of consecutive naturals, for example, 56137184516 + ... + 56137184553.

It is an arithmetic number, because the mean of its divisors is an integer number (561371845350).

Almost surely, 2^{2133213012311} is an apocalyptic number.

2133213012311 is a deficient number, since it is larger than the sum of its proper divisors (112274369089).

2133213012311 is a wasteful number, since it uses less digits than its factorization.

2133213012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112274369088.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2133213012311 its reverse (1132103123312), we get a palindrome (3265316135623).

The spelling of 2133213012311 in words is "two trillion, one hundred thirty-three billion, two hundred thirteen million, twelve thousand, three hundred eleven".