2101232205 has 32 divisors (see below), whose sum is σ = 3741765120. Its totient is φ = 1118784960.

The previous prime is 2101232197. The next prime is 2101232251. The reversal of 2101232205 is 5022321012.

It is not a de Polignac number, because 2101232205 - 2³ = 2101232197 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 31 ways as a sum of consecutive naturals, for example, 70060 + ... + 95450.

It is an arithmetic number, because the mean of its divisors is an integer number (116930160).

Almost surely, 2^2101232205 is an apocalyptic number.

It is an amenable number.

2101232205 is a deficient number, since it is larger than the sum of its proper divisors (1640532915).

2101232205 is a wasteful number, since it uses less digits than its factorization.

2101232205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26018 (or 26012 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2101232205 is about 45839.1994367266. The cubic root of 2101232205 is about 1280.8295820550.

Adding to 2101232205 its reverse (5022321012), we get a palindrome (7123553217).

The spelling of 2101232205 in words is "two billion, one hundred one million, two hundred thirty-two thousand, two hundred five".