111133133320 has 128 divisors (see below), whose sum is σ = 287329680000. Its totient is φ = 38259578880.

The previous prime is 111133133281. The next prime is 111133133323. The reversal of 111133133320 is 23331331111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 111133133291 and 111133133300.

It is not an unprimeable number, because it can be changed into a prime (111133133323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15989206 + ... + 15996154.

It is an arithmetic number, because the mean of its divisors is an integer number (2244763125).

Almost surely, 2^111133133320 is an apocalyptic number.

111133133320 is a gapful number since it is divisible by the number (10) 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 111133133320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143664840000).

111133133320 is an abundant number, since it is smaller than the sum of its proper divisors (176196546680).

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

111133133320 is a wasteful number, since it uses less digits than its factorization.

111133133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903 (or 8899 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 111133133320 its reverse (23331331111), we get a palindrome (134464464431).

The spelling of 111133133320 in words is "one hundred eleven billion, one hundred thirty-three million, one hundred thirty-three thousand, three hundred twenty".