1113022012 has 12 divisors (see below), whose sum is σ = 2000431720. Its totient is φ = 541470096.

The previous prime is 1113022007. The next prime is 1113022013. The reversal of 1113022012 is 2102203111.

It is a junction number, because it is equal to n+sod(n) for n = 1113021983 and 1113022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113022013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3760062 + ... + 3760357.

Almost surely, 2^1113022012 is an apocalyptic number.

It is an amenable number.

1113022012 is a deficient number, since it is larger than the sum of its proper divisors (887409708).

1113022012 is a wasteful number, since it uses less digits than its factorization.

1113022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520460 (or 7520458 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1113022012 is about 33361.9845332978. The cubic root of 1113022012 is about 1036.3375899262.

Adding to 1113022012 its reverse (2102203111), we get a palindrome (3215225123).

The spelling of 1113022012 in words is "one billion, one hundred thirteen million, twenty-two thousand, twelve".