111221112000222 has 192 divisors, whose sum is σ = 291832742522880. Its totient is φ = 29951244640512.

The previous prime is 111221112000221. The next prime is 111221112000239. The reversal of 111221112000222 is 222000211122111.

111221112000222 is a `hidden beast` number, since 1 + 11 + 221 + 11 + 200 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111221112000195 and 111221112000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221112000221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16670863 + ... + 22368725.

It is an arithmetic number, because the mean of its divisors is an integer number (1519962200640).

Almost surely, 2^{111221112000222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111221112000222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145916371261440).

111221112000222 is an abundant number, since it is smaller than the sum of its proper divisors (180611630522658).

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

111221112000222 is a wasteful number, since it uses less digits than its factorization.

111221112000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698047 (or 5698044 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111221112000222 its reverse (222000211122111), we get a palindrome (333221323122333).

The spelling of 111221112000222 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty-two", and thus it is an aban number.