2121411043001 has 2 divisors, whose sum is σ = 2121411043002. Its totient is φ = 2121411043000.

The previous prime is 2121411042967. The next prime is 2121411043013. The reversal of 2121411043001 is 1003401141212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1640640765625 + 480770277376 = 1280875^2 + 693376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121411043001 - 2³⁴ = 2104231173817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2121411043051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060705521500 + 1060705521501.

It is an arithmetic number, because the mean of its divisors is an integer number (1060705521501).

Almost surely, 2^{2121411043001} is an apocalyptic number.

It is an amenable number.

2121411043001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121411043001 is an equidigital number, since it uses as much as digits as its factorization.

2121411043001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2121411043001 its reverse (1003401141212), we get a palindrome (3124812184213).

The spelling of 2121411043001 in words is "two trillion, one hundred twenty-one billion, four hundred eleven million, forty-three thousand, one".