111132134420 has 24 divisors (see below), whose sum is σ = 233412133248. Its totient is φ = 44446253600.

The previous prime is 111132134389. The next prime is 111132134423. The reversal of 111132134420 is 24431231111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132134423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273296 + ... + 544935.

It is an arithmetic number, because the mean of its divisors is an integer number (9725505552).

Almost surely, 2^111132134420 is an apocalyptic number.

111132134420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111132134420 is an abundant number, since it is smaller than the sum of its proper divisors (122279998828).

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

111132134420 is a wasteful number, since it uses less digits than its factorization.

111132134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825031 (or 825029 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111132134420 its reverse (24431231111), we get a palindrome (135563365531).

The spelling of 111132134420 in words is "one hundred eleven billion, one hundred thirty-two million, one hundred thirty-four thousand, four hundred twenty".