1001001010943 has 2 divisors, whose sum is σ = 1001001010944. Its totient is φ = 1001001010942.

The previous prime is 1001001010879. The next prime is 1001001010991. The reversal of 1001001010943 is 3490101001001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001001010943 - 2⁶ = 1001001010879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001001310943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500505471 + 500500505472.

It is an arithmetic number, because the mean of its divisors is an integer number (500500505472).

Almost surely, 2^{1001001010943} is an apocalyptic number.

1001001010943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001001010943 is an equidigital number, since it uses as much as digits as its factorization.

1001001010943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1001001010943 its reverse (3490101001001), we get a palindrome (4491102011944).

The spelling of 1001001010943 in words is "one trillion, one billion, one million, ten thousand, nine hundred forty-three".