2105410101 has 16 divisors (see below), whose sum is σ = 2999620800. Its totient is φ = 1308918528.

The previous prime is 2105410093. The next prime is 2105410127. The reversal of 2105410101 is 1010145012.

It is a happy number.

It is not a de Polignac number, because 2105410101 - 2³ = 2105410093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105410171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183811 + ... + 194928.

It is an arithmetic number, because the mean of its divisors is an integer number (187476300).

Almost surely, 2^2105410101 is an apocalyptic number.

It is an amenable number.

2105410101 is a deficient number, since it is larger than the sum of its proper divisors (894210699).

2105410101 is a wasteful number, since it uses less digits than its factorization.

2105410101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378868.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 2105410101 is about 45884.7480215376. The cubic root of 2105410101 is about 1281.6779144596.

Adding to 2105410101 its reverse (1010145012), we get a palindrome (3115555113).

The spelling of 2105410101 in words is "two billion, one hundred five million, four hundred ten thousand, one hundred one".