111133233012 has 24 divisors (see below), whose sum is σ = 259425224800. Its totient is φ = 37028075616.

The previous prime is 111133233011. The next prime is 111133233049. The reversal of 111133233012 is 210332331111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111133233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111133233011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013562 + ... + 2068017.

Almost surely, 2^111133233012 is an apocalyptic number.

111133233012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111133233012 is an abundant number, since it is smaller than the sum of its proper divisors (148291991788).

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

111133233012 is a wasteful number, since it uses less digits than its factorization.

111133233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083855 (or 4083853 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111133233012 its reverse (210332331111), we get a palindrome (321465564123).

The spelling of 111133233012 in words is "one hundred eleven billion, one hundred thirty-three million, two hundred thirty-three thousand, twelve".