2107221207 has 32 divisors (see below), whose sum is σ = 3465907200. Its totient is φ = 1108961280.

The previous prime is 2107221203. The next prime is 2107221253. The reversal of 2107221207 is 7021227012.

It is not a de Polignac number, because 2107221207 - 2² = 2107221203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107221203) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 113982 + ... + 131172.

It is an arithmetic number, because the mean of its divisors is an integer number (108309600).

Almost surely, 2^2107221207 is an apocalyptic number.

2107221207 is a deficient number, since it is larger than the sum of its proper divisors (1358685993).

2107221207 is a wasteful number, since it uses less digits than its factorization.

2107221207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 2107221207 is about 45904.4791605351. The cubic root of 2107221207 is about 1282.0453154527.

Adding to 2107221207 its reverse (7021227012), we get a palindrome (9128448219).

The spelling of 2107221207 in words is "two billion, one hundred seven million, two hundred twenty-one thousand, two hundred seven".