2221111113 has 8 divisors (see below), whose sum is σ = 3189287808. Its totient is φ = 1366837584.

The previous prime is 2221111103. The next prime is 2221111129. The reversal of 2221111113 is 3111111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221111113 - 2¹⁸ = 2220848969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2221111092 and 2221111101.

It is not an unprimeable number, because it can be changed into a prime (2221111103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28475745 + ... + 28475822.

It is an arithmetic number, because the mean of its divisors is an integer number (398660976).

Almost surely, 2^2221111113 is an apocalyptic number.

It is an amenable number.

2221111113 is a deficient number, since it is larger than the sum of its proper divisors (968176695).

2221111113 is a wasteful number, since it uses less digits than its factorization.

2221111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56951583.

The product of its digits is 24, while the sum is 15.

The square root of 2221111113 is about 47128.6655126156. The cubic root of 2221111113 is about 1304.7383518539.

Adding to 2221111113 its reverse (3111111222), we get a palindrome (5332222335).

The spelling of 2221111113 in words is "two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirteen".