111132212 has 12 divisors (see below), whose sum is σ = 194946276. Its totient is φ = 55433280.

The previous prime is 111132211. The next prime is 111132227. The reversal of 111132212 is 212231111.

It can be written as a sum of positive squares in 2 ways, for example, as 30958096 + 80174116 = 5564^2 + 8954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31313 + ... + 34680.

It is an arithmetic number, because the mean of its divisors is an integer number (16245523).

Almost surely, 2^111132212 is an apocalyptic number.

It is an amenable number.

111132212 is a deficient number, since it is larger than the sum of its proper divisors (83814064).

111132212 is a wasteful number, since it uses less digits than its factorization.

111132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66418 (or 66416 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 111132212 is about 10541.9263894224. The cubic root of 111132212 is about 480.7802875908.

Adding to 111132212 its reverse (212231111), we get a palindrome (323363323).

The spelling of 111132212 in words is "one hundred eleven million, one hundred thirty-two thousand, two hundred twelve".