2221201110 has 32 divisors (see below), whose sum is σ = 5366671200. Its totient is φ = 588343808.

The previous prime is 2221201109. The next prime is 2221201141. The reversal of 2221201110 is 111021222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243987 + ... + 252926.

It is an arithmetic number, because the mean of its divisors is an integer number (167708475).

Almost surely, 2^2221201110 is an apocalyptic number.

2221201110 is an abundant number, since it is smaller than the sum of its proper divisors (3145470090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221201110 is a wasteful number, since it uses less digits than its factorization.

2221201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497072.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2221201110 is about 47129.6203040084. The cubic root of 2221201110 is about 1304.7559738076.

Adding to 2221201110 its reverse (111021222), we get a palindrome (2332222332).

The spelling of 2221201110 in words is "two billion, two hundred twenty-one million, two hundred one thousand, one hundred ten".