1113321112 has 48 divisors (see below), whose sum is σ = 2211019200. Its totient is φ = 525476160.

The previous prime is 1113321103. The next prime is 1113321113. The reversal of 1113321112 is 2111233111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113321113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122937 + ... + 1123927.

It is an arithmetic number, because the mean of its divisors is an integer number (46062900).

Almost surely, 2^1113321112 is an apocalyptic number.

It is an amenable number.

1113321112 is a deficient number, since it is larger than the sum of its proper divisors (1097698088).

1113321112 is a wasteful number, since it uses less digits than its factorization.

1113321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1401 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 1113321112 is about 33366.4668791888. The cubic root of 1113321112 is about 1036.4304125323.

Adding to 1113321112 its reverse (2111233111), we get a palindrome (3224554223).

The spelling of 1113321112 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred twelve".