2001022011047 has 2 divisors, whose sum is σ = 2001022011048. Its totient is φ = 2001022011046.

The previous prime is 2001022011017. The next prime is 2001022011049. The reversal of 2001022011047 is 7401102201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001022011047 - 2¹⁰ = 2001022010023 is a prime.

Together with 2001022011049, 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 (2001022011049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000511005523 + 1000511005524.

It is an arithmetic number, because the mean of its divisors is an integer number (1000511005524).

Almost surely, 2^{2001022011047} is an apocalyptic number.

2001022011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001022011047 is an equidigital number, since it uses as much as digits as its factorization.

2001022011047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 2001022011047 its reverse (7401102201002), we get a palindrome (9402124212049).

The spelling of 2001022011047 in words is "two trillion, one billion, twenty-two million, eleven thousand, forty-seven".