1001211301171 has 2 divisors, whose sum is σ = 1001211301172. Its totient is φ = 1001211301170.

The previous prime is 1001211301073. The next prime is 1001211301199. The reversal of 1001211301171 is 1711031121001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001211301171 - 2⁹ = 1001211300659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001211302171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500605650585 + 500605650586.

It is an arithmetic number, because the mean of its divisors is an integer number (500605650586).

Almost surely, 2^{1001211301171} is an apocalyptic number.

1001211301171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001211301171 is an equidigital number, since it uses as much as digits as its factorization.

1001211301171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 19.

Adding to 1001211301171 its reverse (1711031121001), we get a palindrome (2712242422172).

The spelling of 1001211301171 in words is "one trillion, one billion, two hundred eleven million, three hundred one thousand, one hundred seventy-one".