111323321000 has 128 divisors (see below), whose sum is σ = 265439734560. Its totient is φ = 43690752000.

The previous prime is 111323320981. The next prime is 111323321027. The reversal of 111323321000 is 123323111.

It can be written as a sum of positive squares in 16 ways, for example, as 25020004 + 111298300996 = 5002^2 + 333614^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111323321000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14377130 + ... + 14384870.

Almost surely, 2^111323321000 is an apocalyptic number.

111323321000 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 111323321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132719867280).

111323321000 is an abundant number, since it is smaller than the sum of its proper divisors (154116413560).

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

111323321000 is a wasteful number, since it uses less digits than its factorization.

111323321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 111323321000 its reverse (123323111), we get a palindrome (111446644111).

The spelling of 111323321000 in words is "one hundred eleven billion, three hundred twenty-three million, three hundred twenty-one thousand".