1321130022941 has 2 divisors, whose sum is σ = 1321130022942. Its totient is φ = 1321130022940.

The previous prime is 1321130022893. The next prime is 1321130023007. The reversal of 1321130022941 is 1492200311231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694097265625 + 627032757316 = 833125^2 + 791854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321130022941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321130022241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660565011470 + 660565011471.

It is an arithmetic number, because the mean of its divisors is an integer number (660565011471).

Almost surely, 2^{1321130022941} is an apocalyptic number.

It is an amenable number.

1321130022941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321130022941 is an equidigital number, since it uses as much as digits as its factorization.

1321130022941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1321130022941 in words is "one trillion, three hundred twenty-one billion, one hundred thirty million, twenty-two thousand, nine hundred forty-one".