111120122222000 has 160 divisors (see below), whose sum is σ = 269142484790400. Its totient is φ = 44372976768000.

The previous prime is 111120122221907. The next prime is 111120122222009. The reversal of 111120122222000 is 222221021111.

It is a self number, because there is not a number n which added to its sum of digits gives 111120122222000.

It is not an unprimeable number, because it can be changed into a prime (111120122222009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6407933330 + ... + 6407950670.

It is an arithmetic number, because the mean of its divisors is an integer number (1682140529940).

Almost surely, 2^{111120122222000} is an apocalyptic number.

111120122222000 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 111120122222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134571242395200).

111120122222000 is an abundant number, since it is smaller than the sum of its proper divisors (158022362568400).

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

111120122222000 is a wasteful number, since it uses less digits than its factorization.

111120122222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22592 (or 22576 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111120122222000 its reverse (222221021111), we get a palindrome (111342343243111).

The spelling of 111120122222000 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twenty-two thousand".