111312321321000 has 64 divisors (see below), whose sum is σ = 347294442530880. Its totient is φ = 29683285684800.

The previous prime is 111312321320969. The next prime is 111312321321007. The reversal of 111312321321000 is 123123213111.

111312321321000 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111312321321007) 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, 18552050554 + ... + 18552056553.

It is an arithmetic number, because the mean of its divisors is an integer number (5426475664545).

Almost surely, 2^{111312321321000} is an apocalyptic number.

111312321321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111312321321000 is an abundant number, since it is smaller than the sum of its proper divisors (235982121209880).

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

111312321321000 is a wasteful number, since it uses less digits than its factorization.

111312321321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37104107131 (or 37104107117 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111312321321000 its reverse (123123213111), we get a palindrome (111435444534111).

The spelling of 111312321321000 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred twenty-one million, three hundred twenty-one thousand".