2002012111271 has 2 divisors, whose sum is σ = 2002012111272. Its totient is φ = 2002012111270.

The previous prime is 2002012111237. The next prime is 2002012111273. The reversal of 2002012111271 is 1721112102002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002012111271 - 2¹⁰ = 2002012110247 is a prime.

Together with 2002012111273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002012111273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001006055635 + 1001006055636.

It is an arithmetic number, because the mean of its divisors is an integer number (1001006055636).

Almost surely, 2^{2002012111271} is an apocalyptic number.

2002012111271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002012111271 is an equidigital number, since it uses as much as digits as its factorization.

2002012111271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 2002012111271 its reverse (1721112102002), we get a palindrome (3723124213273).

The spelling of 2002012111271 in words is "two trillion, two billion, twelve million, one hundred eleven thousand, two hundred seventy-one".