1113221113105 has 16 divisors (see below), whose sum is σ = 1353083961600. Its totient is φ = 879102956160.

The previous prime is 1113221113087. The next prime is 1113221113133. The reversal of 1113221113105 is 5013111223111.

It is not a de Polignac number, because 1113221113105 - 2⁵ = 1113221113073 is a prime.

It is a super-2 number, since 2×1113221113105² (a number of 25 digits) contains 22 as substring.

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, 1421950 + ... + 2061160.

It is an arithmetic number, because the mean of its divisors is an integer number (84567747600).

Almost surely, 2^{1113221113105} is an apocalyptic number.

It is an amenable number.

1113221113105 is a deficient number, since it is larger than the sum of its proper divisors (239862848495).

1113221113105 is an equidigital number, since it uses as much as digits as its factorization.

1113221113105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643704.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 1113221113105 its reverse (5013111223111), we get a palindrome (6126332336216).

The spelling of 1113221113105 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred thirteen thousand, one hundred five".