2121321230183 has 2 divisors, whose sum is σ = 2121321230184. Its totient is φ = 2121321230182.

The previous prime is 2121321230129. The next prime is 2121321230261. The reversal of 2121321230183 is 3810321231212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121321230183 - 2⁸ = 2121321229927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121321230383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060660615091 + 1060660615092.

It is an arithmetic number, because the mean of its divisors is an integer number (1060660615092).

Almost surely, 2^{2121321230183} is an apocalyptic number.

2121321230183 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121321230183 is an equidigital number, since it uses as much as digits as its factorization.

2121321230183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 2121321230183 its reverse (3810321231212), we get a palindrome (5931642461395).

The spelling of 2121321230183 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty thousand, one hundred eighty-three".