111321300000 has 144 divisors (see below), whose sum is σ = 365250622464. Its totient is φ = 29685600000.

The previous prime is 111321299981. The next prime is 111321300017. The reversal of 111321300000 is 3123111.

111321300000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114465 + ... + 485535.

It is an arithmetic number, because the mean of its divisors is an integer number (2536462656).

Almost surely, 2^111321300000 is an apocalyptic number.

111321300000 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 111321300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182625311232).

111321300000 is an abundant number, since it is smaller than the sum of its proper divisors (253929322464).

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

111321300000 is an frugal number, since it uses more digits than its factorization.

111321300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371109 (or 371081 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 111321300000 its reverse (3123111), we get a palindrome (111324423111).

The spelling of 111321300000 in words is "one hundred eleven billion, three hundred twenty-one million, three hundred thousand".