111312322133020 has 48 divisors (see below), whose sum is σ = 234271634556960. Its totient is φ = 44426692767744.

The previous prime is 111312322132919. The next prime is 111312322133027. The reversal of 111312322133020 is 20331223213111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312322133027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936763171 + ... + 936881989.

It is an arithmetic number, because the mean of its divisors is an integer number (4880659053270).

Almost surely, 2^{111312322133020} is an apocalyptic number.

111312322133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111312322133020 is an abundant number, since it is smaller than the sum of its proper divisors (122959312423940).

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

111312322133020 is a wasteful number, since it uses less digits than its factorization.

111312322133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221782 (or 221780 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111312322133020 its reverse (20331223213111), we get a palindrome (131643545346131).

The spelling of 111312322133020 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred twenty-two million, one hundred thirty-three thousand, twenty".