2105100104 has 16 divisors (see below), whose sum is σ = 3954617520. Its totient is φ = 1050535440.

The previous prime is 2105100073. The next prime is 2105100121. The reversal of 2105100104 is 4010015012.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 247382 + ... + 255749.

It is an arithmetic number, because the mean of its divisors is an integer number (247163595).

Almost surely, 2^2105100104 is an apocalyptic number.

It is an amenable number.

2105100104 is a deficient number, since it is larger than the sum of its proper divisors (1849517416).

2105100104 is a wasteful number, since it uses less digits than its factorization.

2105100104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503660 (or 503656 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2105100104 is about 45881.3699010829. The cubic root of 2105100104 is about 1281.6150073471.

Adding to 2105100104 its reverse (4010015012), we get a palindrome (6115115116).

The spelling of 2105100104 in words is "two billion, one hundred five million, one hundred thousand, one hundred four".