1113120112 has 40 divisors (see below), whose sum is σ = 2352002240. Its totient is φ = 507237120.

The previous prime is 1113120103. The next prime is 1113120119. The reversal of 1113120112 is 2110213111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1113120092 and 1113120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113120119) 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, 17439 + ... + 50302.

It is an arithmetic number, because the mean of its divisors is an integer number (58800056).

Almost surely, 2^1113120112 is an apocalyptic number.

It is an amenable number.

1113120112 is an abundant number, since it is smaller than the sum of its proper divisors (1238882128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113120112 is a wasteful number, since it uses less digits than its factorization.

1113120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67841 (or 67835 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1113120112 is about 33363.4547371821. The cubic root of 1113120112 is about 1036.3680360838.

Adding to 1113120112 its reverse (2110213111), we get a palindrome (3223333223).

The spelling of 1113120112 in words is "one billion, one hundred thirteen million, one hundred twenty thousand, one hundred twelve".