201102071 has 2 divisors, whose sum is σ = 201102072. Its totient is φ = 201102070.

The previous prime is 201102059. The next prime is 201102073. The reversal of 201102071 is 170201102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201102071 - 2¹⁸ = 200839927 is a prime.

Together with 201102073, 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 (201102073) 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, 100551035 + 100551036.

It is an arithmetic number, because the mean of its divisors is an integer number (100551036).

Almost surely, 2^201102071 is an apocalyptic number.

201102071 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102071 is an equidigital number, since it uses as much as digits as its factorization.

201102071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 201102071 is about 14181.0461884869. The cubic root of 201102071 is about 585.8757390467.

Adding to 201102071 its reverse (170201102), we get a palindrome (371303173).

The spelling of 201102071 in words is "two hundred one million, one hundred two thousand, seventy-one".