2133240032321 has 4 divisors (see below), whose sum is σ = 2202054226944. Its totient is φ = 2064425837700.

The previous prime is 2133240032279. The next prime is 2133240032359. The reversal of 2133240032321 is 1232300423312.

It is a happy number.

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 2133240032321 - 2²⁶ = 2133172923457 is a prime.

It is a super-2 number, since 2×2133240032321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133240035321) 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, 34407097265 + ... + 34407097326.

It is an arithmetic number, because the mean of its divisors is an integer number (550513556736).

Almost surely, 2^{2133240032321} is an apocalyptic number.

It is an amenable number.

2133240032321 is a deficient number, since it is larger than the sum of its proper divisors (68814194623).

2133240032321 is an equidigital number, since it uses as much as digits as its factorization.

2133240032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68814194622.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2133240032321 its reverse (1232300423312), we get a palindrome (3365540455633).

The spelling of 2133240032321 in words is "two trillion, one hundred thirty-three billion, two hundred forty million, thirty-two thousand, three hundred twenty-one".