2011001071 has 2 divisors, whose sum is σ = 2011001072. Its totient is φ = 2011001070.

The previous prime is 2011001053. The next prime is 2011001131. The reversal of 2011001071 is 1701001102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011001071 - 2⁵ = 2011001039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011061071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005500535 + 1005500536.

It is an arithmetic number, because the mean of its divisors is an integer number (1005500536).

Almost surely, 2^2011001071 is an apocalyptic number.

2011001071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011001071 is an equidigital number, since it uses as much as digits as its factorization.

2011001071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 2011001071 is about 44844.1865909061. The cubic root of 2011001071 is about 1262.2269073856.

Adding to 2011001071 its reverse (1701001102), we get a palindrome (3712002173).

The spelling of 2011001071 in words is "two billion, eleven million, one thousand, seventy-one".