111122020101222 has 384 divisors, whose sum is σ = 278329895940096. Its totient is φ = 31776076670976.

The previous prime is 111122020101203. The next prime is 111122020101229. The reversal of 111122020101222 is 222101020221111.

111122020101222 is a `hidden beast` number, since 11 + 11 + 220 + 201 + 0 + 1 + 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 = 111122020101195 and 111122020101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122020101229) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37503211513 + ... + 37503214475.

It is an arithmetic number, because the mean of its divisors is an integer number (724817437344).

Almost surely, 2^{111122020101222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111122020101222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139164947970048).

111122020101222 is an abundant number, since it is smaller than the sum of its proper divisors (167207875838874).

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

111122020101222 is a wasteful number, since it uses less digits than its factorization.

111122020101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084 (or 4081 counting only the distinct ones).

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

Adding to 111122020101222 its reverse (222101020221111), we get a palindrome (333223040322333).

The spelling of 111122020101222 in words is "one hundred eleven trillion, one hundred twenty-two billion, twenty million, one hundred one thousand, two hundred twenty-two".