2221011113 has 4 divisors (see below), whose sum is σ = 2221159428. Its totient is φ = 2220862800.

The previous prime is 2221011101. The next prime is 2221011157. The reversal of 2221011113 is 3111101222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2160669289 + 60341824 = 46483^2 + 7768^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221011113 - 2¹⁰ = 2221010089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221016113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48806 + ... + 82607.

It is an arithmetic number, because the mean of its divisors is an integer number (555289857).

Almost surely, 2^2221011113 is an apocalyptic number.

It is an amenable number.

2221011113 is a deficient number, since it is larger than the sum of its proper divisors (148315).

2221011113 is a wasteful number, since it uses less digits than its factorization.

2221011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148314.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2221011113 is about 47127.6045752381. The cubic root of 2221011113 is about 1304.7187706943.

Adding to 2221011113 its reverse (3111101222), we get a palindrome (5332112335).

The spelling of 2221011113 in words is "two billion, two hundred twenty-one million, eleven thousand, one hundred thirteen".