111133211212 has 12 divisors (see below), whose sum is σ = 199005983176. Its totient is φ = 54274358880.

The previous prime is 111133211209. The next prime is 111133211219. The reversal of 111133211212 is 212112331111.

111133211212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 111133211212.

It is not an unprimeable number, because it can be changed into a prime (111133211219) 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, 323061489 + ... + 323061832.

Almost surely, 2^111133211212 is an apocalyptic number.

It is an amenable number.

111133211212 is a deficient number, since it is larger than the sum of its proper divisors (87872771964).

111133211212 is a wasteful number, since it uses less digits than its factorization.

111133211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646123368 (or 646123366 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 111133211212 its reverse (212112331111), we get a palindrome (323245542323).

The spelling of 111133211212 in words is "one hundred eleven billion, one hundred thirty-three million, two hundred eleven thousand, two hundred twelve".