111201132 has 72 divisors (see below), whose sum is σ = 305082624. Its totient is φ = 30881088.

The previous prime is 111201089. The next prime is 111201133. The reversal of 111201132 is 231102111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111201133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114513 + ... + 115479.

Almost surely, 2^111201132 is an apocalyptic number.

111201132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111201132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152541312).

111201132 is an abundant number, since it is smaller than the sum of its proper divisors (193881492).

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

111201132 is a wasteful number, since it uses less digits than its factorization.

111201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1016 counting only the distinct ones).

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

The square root of 111201132 is about 10545.1947350440. The cubic root of 111201132 is about 480.8796543103.

Adding to 111201132 its reverse (231102111), we get a palindrome (342303243).

The spelling of 111201132 in words is "one hundred eleven million, two hundred one thousand, one hundred thirty-two".