2071221205 has 16 divisors (see below), whose sum is σ = 2548111104. Its totient is φ = 1615360320.

The previous prime is 2071221193. The next prime is 2071221223. The reversal of 2071221205 is 5021221702.

2071221205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2071221205 - 2⁷ = 2071221077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107412 + ... + 125218.

It is an arithmetic number, because the mean of its divisors is an integer number (159256944).

Almost surely, 2^2071221205 is an apocalyptic number.

It is an amenable number.

2071221205 is a deficient number, since it is larger than the sum of its proper divisors (476889899).

2071221205 is a wasteful number, since it uses less digits than its factorization.

2071221205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18396.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2071221205 is about 45510.6713310186. The cubic root of 2071221205 is about 1274.7024716494.

Adding to 2071221205 its reverse (5021221702), we get a palindrome (7092442907).

The spelling of 2071221205 in words is "two billion, seventy-one million, two hundred twenty-one thousand, two hundred five".