1113233112 has 64 divisors (see below), whose sum is σ = 3096165600. Its totient is φ = 370615680.

The previous prime is 1113233111. The next prime is 1113233119. The reversal of 1113233112 is 2113323111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113233111) 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, 200518 + ... + 205994.

Almost surely, 2^1113233112 is an apocalyptic number.

1113233112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113233112 is an abundant number, since it is smaller than the sum of its proper divisors (1982932488).

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

1113233112 is a wasteful number, since it uses less digits than its factorization.

1113233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433 (or 6423 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1113233112 is about 33365.1481639150. The cubic root of 1113233112 is about 1036.4031043645.

Adding to 1113233112 its reverse (2113323111), we get a palindrome (3226556223).

It can be divided in two parts, 11132 and 33112, that added together give a palindrome (44244).

The spelling of 1113233112 in words is "one billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred twelve".