2105710101 has 20 divisors (see below), whose sum is σ = 3431529024. Its totient is φ = 1276187400.

The previous prime is 2105710081. The next prime is 2105710127. The reversal of 2105710101 is 1010175012.

It is a happy number.

It is not a de Polignac number, because 2105710101 - 2⁶ = 2105710037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105710141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1180765 + ... + 1182546.

Almost surely, 2^2105710101 is an apocalyptic number.

It is an amenable number.

2105710101 is a deficient number, since it is larger than the sum of its proper divisors (1325818923).

2105710101 is a wasteful number, since it uses less digits than its factorization.

2105710101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363334 (or 2363325 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 2105710101 is about 45888.0169652165. The cubic root of 2105710101 is about 1281.7387870204.

Adding to 2105710101 its reverse (1010175012), we get a palindrome (3115885113).

The spelling of 2105710101 in words is "two billion, one hundred five million, seven hundred ten thousand, one hundred one".