2221031113 has 16 divisors (see below), whose sum is σ = 2720027520. Its totient is φ = 1770160896.

The previous prime is 2221031083. The next prime is 2221031117. The reversal of 2221031113 is 3111301222.

It is not a de Polignac number, because 2221031113 - 2¹⁷ = 2220900041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221031117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102558 + ... + 122311.

It is an arithmetic number, because the mean of its divisors is an integer number (170001720).

Almost surely, 2^2221031113 is an apocalyptic number.

It is an amenable number.

2221031113 is a deficient number, since it is larger than the sum of its proper divisors (498996407).

2221031113 is a wasteful number, since it uses less digits than its factorization.

2221031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224976.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2221031113 is about 47127.8167646243. The cubic root of 2221031113 is about 1304.7226869733.

Adding to 2221031113 its reverse (3111301222), we get a palindrome (5332332335).

The spelling of 2221031113 in words is "two billion, two hundred twenty-one million, thirty-one thousand, one hundred thirteen".