2133200231321 has 4 divisors (see below), whose sum is σ = 2162422152372. Its totient is φ = 2103978310272.

The previous prime is 2133200231311. The next prime is 2133200231363. The reversal of 2133200231321 is 1231320023312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1569708294400 + 563491936921 = 1252880^2 + 750661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133200231321 - 2²⁶ = 2133133122457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133200231311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14610960416 + ... + 14610960561.

It is an arithmetic number, because the mean of its divisors is an integer number (540605538093).

Almost surely, 2^{2133200231321} is an apocalyptic number.

It is an amenable number.

2133200231321 is a deficient number, since it is larger than the sum of its proper divisors (29221921051).

2133200231321 is an equidigital number, since it uses as much as digits as its factorization.

2133200231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29221921050.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2133200231321 its reverse (1231320023312), we get a palindrome (3364520254633).

The spelling of 2133200231321 in words is "two trillion, one hundred thirty-three billion, two hundred million, two hundred thirty-one thousand, three hundred twenty-one".