201018071 has 2 divisors, whose sum is σ = 201018072. Its totient is φ = 201018070.

The previous prime is 201018061. The next prime is 201018079. The reversal of 201018071 is 170810102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201018071 - 2⁶ = 201018007 is a prime.

It is a super-2 number, since 2×201018071² = 80816529737122082, which contains 22 as substring.

It is a Chen prime.

It is equal to p_11132219 and since 201018071 and 11132219 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201018079) 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, 100509035 + 100509036.

It is an arithmetic number, because the mean of its divisors is an integer number (100509036).

Almost surely, 2^201018071 is an apocalyptic number.

201018071 is a deficient number, since it is larger than the sum of its proper divisors (1).

201018071 is an equidigital number, since it uses as much as digits as its factorization.

201018071 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.

The square root of 201018071 is about 14178.0841794652. The cubic root of 201018071 is about 585.7941545797.

Adding to 201018071 its reverse (170810102), we get a palindrome (371828173).

The spelling of 201018071 in words is "two hundred one million, eighteen thousand, seventy-one".