1112221113 has 16 divisors (see below), whose sum is σ = 1539353856. Its totient is φ = 713802240.

The previous prime is 1112221111. The next prime is 1112221133. The reversal of 1112221113 is 3111222111.

It is not a de Polignac number, because 1112221113 - 2¹ = 1112221111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112221092 and 1112221101.

It is not an unprimeable number, because it can be changed into a prime (1112221111) 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, 56056 + ... + 73257.

It is an arithmetic number, because the mean of its divisors is an integer number (96209616).

Almost surely, 2^1112221113 is an apocalyptic number.

It is an amenable number.

1112221113 is a deficient number, since it is larger than the sum of its proper divisors (427132743).

1112221113 is a wasteful number, since it uses less digits than its factorization.

1112221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129424.

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

The square root of 1112221113 is about 33349.9792053908. The cubic root of 1112221113 is about 1036.0889572570.

Adding to 1112221113 its reverse (3111222111), we get a palindrome (4223443224).

It can be divided in two parts, 111222111 and 3, that multiplied together give a palindrome (333666333).

The spelling of 1112221113 in words is "one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirteen".