2001141971 has 2 divisors, whose sum is σ = 2001141972. Its totient is φ = 2001141970.

The previous prime is 2001141937. The next prime is 2001142007. The reversal of 2001141971 is 1791411002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001141971 - 2³⁰ = 927400147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001141971.

It is not a weakly prime, because it can be changed into another prime (2001141911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000570985 + 1000570986.

It is an arithmetic number, because the mean of its divisors is an integer number (1000570986).

Almost surely, 2^2001141971 is an apocalyptic number.

2001141971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001141971 is an equidigital number, since it uses as much as digits as its factorization.

2001141971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 2001141971 is about 44734.1253519056. The cubic root of 2001141971 is about 1260.1608031523.

Adding to 2001141971 its reverse (1791411002), we get a palindrome (3792552973).

The spelling of 2001141971 in words is "two billion, one million, one hundred forty-one thousand, nine hundred seventy-one".