2101165063 has 2 divisors, whose sum is σ = 2101165064. Its totient is φ = 2101165062.

The previous prime is 2101165061. The next prime is 2101165081. The reversal of 2101165063 is 3605611012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101165063 - 2¹ = 2101165061 is a prime.

Together with 2101165061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101165061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050582531 + 1050582532.

It is an arithmetic number, because the mean of its divisors is an integer number (1050582532).

Almost surely, 2^2101165063 is an apocalyptic number.

2101165063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101165063 is an equidigital number, since it uses as much as digits as its factorization.

2101165063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2101165063 is about 45838.4670664280. The cubic root of 2101165063 is about 1280.8159395241.

Adding to 2101165063 its reverse (3605611012), we get a palindrome (5706776075).

The spelling of 2101165063 in words is "two billion, one hundred one million, one hundred sixty-five thousand, sixty-three".