2101532205 has 16 divisors (see below), whose sum is σ = 3381891840. Its totient is φ = 1114337088.

The previous prime is 2101532161. The next prime is 2101532227. The reversal of 2101532205 is 5022351012.

It is not a de Polignac number, because 2101532205 - 2⁶ = 2101532141 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 402325 + ... + 407514.

It is an arithmetic number, because the mean of its divisors is an integer number (211368240).

Almost surely, 2^2101532205 is an apocalyptic number.

It is an amenable number.

2101532205 is a deficient number, since it is larger than the sum of its proper divisors (1280359635).

2101532205 is a wasteful number, since it uses less digits than its factorization.

2101532205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810020.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2101532205 is about 45842.4716283928. The cubic root of 2101532205 is about 1280.8905352722.

Adding to 2101532205 its reverse (5022351012), we get a palindrome (7123883217).

The spelling of 2101532205 in words is "two billion, one hundred one million, five hundred thirty-two thousand, two hundred five".