111122122112000 has 176 divisors, whose sum is σ = 281363100758688. Its totient is φ = 43785429811200.

The previous prime is 111122122111969. The next prime is 111122122112101. The reversal of 111122122112000 is 211221221111.

It is a self number, because there is not a number n which added to its sum of digits gives 111122122112000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097332 + ... + 15054668.

Almost surely, 2^{111122122112000} is an apocalyptic number.

111122122112000 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 111122122112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140681550379344).

111122122112000 is an abundant number, since it is smaller than the sum of its proper divisors (170240978646688).

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

111122122112000 is an equidigital number, since it uses as much as digits as its factorization.

111122122112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957439 (or 12957411 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111122122112000 its reverse (211221221111), we get a palindrome (111333343333111).

The spelling of 111122122112000 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand".