111323220000 has 240 divisors, whose sum is σ = 381043776960. Its totient is φ = 28395136000.

The previous prime is 111323219993. The next prime is 111323220061. The reversal of 111323220000 is 22323111.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×111323220000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1339666 + ... + 1420334.

It is an arithmetic number, because the mean of its divisors is an integer number (1587682404).

Almost surely, 2^111323220000 is an apocalyptic number.

111323220000 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 111323220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190521888480).

111323220000 is an abundant number, since it is smaller than the sum of its proper divisors (269720556960).

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

111323220000 is an equidigital number, since it uses as much as digits as its factorization.

111323220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80725 (or 80702 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 111323220000 its reverse (22323111), we get a palindrome (111345543111).

The spelling of 111323220000 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred twenty thousand".