2121322330943 has 2 divisors, whose sum is σ = 2121322330944. Its totient is φ = 2121322330942.

The previous prime is 2121322330901. The next prime is 2121322331033. The reversal of 2121322330943 is 3490332231212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121322330943 - 2¹⁸ = 2121322068799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121322330643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060661165471 + 1060661165472.

It is an arithmetic number, because the mean of its divisors is an integer number (1060661165472).

Almost surely, 2^{2121322330943} is an apocalyptic number.

2121322330943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121322330943 is an equidigital number, since it uses as much as digits as its factorization.

2121322330943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 2121322330943 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred thirty thousand, nine hundred forty-three".