111000222000 has 240 divisors, whose sum is σ = 398167185312. Its totient is φ = 28799884800.

The previous prime is 111000221933. The next prime is 111000222001. The reversal of 111000222000 is 222000111.

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

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111000222001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 582667 + ... + 749333.

Almost surely, 2^111000222000 is an apocalyptic number.

111000222000 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 111000222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199083592656).

111000222000 is an abundant number, since it is smaller than the sum of its proper divisors (287166963312).

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

111000222000 is a wasteful number, since it uses less digits than its factorization.

111000222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166733 (or 166714 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 111000222000 its reverse (222000111), we get a palindrome (111222222111).

The spelling of 111000222000 in words is "one hundred eleven billion, two hundred twenty-two thousand".