2101730600205 has 24 divisors (see below), whose sum is σ = 3643390353408. Its totient is φ = 1120802787936.

The previous prime is 2101730600201. The next prime is 2101730600213. The reversal of 2101730600205 is 5020060371012.

It is a happy number.

2101730600205 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 7 + 30 + 600 + 20 + 5 = 666.

It is not a de Polignac number, because 2101730600205 - 2² = 2101730600201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101730600201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2079037 + ... + 2919906.

It is an arithmetic number, because the mean of its divisors is an integer number (151807931392).

Almost surely, 2^{2101730600205} is an apocalyptic number.

It is an amenable number.

2101730600205 is a deficient number, since it is larger than the sum of its proper divisors (1541659753203).

2101730600205 is a wasteful number, since it uses less digits than its factorization.

2101730600205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008297 (or 5008294 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 2101730600205 its reverse (5020060371012), we get a palindrome (7121790971217).

The spelling of 2101730600205 in words is "two trillion, one hundred one billion, seven hundred thirty million, six hundred thousand, two hundred five".