1112020221222 has 24 divisors (see below), whose sum is σ = 2409733773720. Its totient is φ = 370618541280.

The previous prime is 1112020221217. The next prime is 1112020221223. The reversal of 1112020221222 is 2221220202111.

It is a happy number.

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 = 1112020221195 and 1112020221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020221223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4447072 + ... + 4690467.

It is an arithmetic number, because the mean of its divisors is an integer number (100405573905).

Almost surely, 2^{1112020221222} is an apocalyptic number.

1112020221222 is an abundant number, since it is smaller than the sum of its proper divisors (1297713552498).

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

1112020221222 is a wasteful number, since it uses less digits than its factorization.

1112020221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144308 (or 9144305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1112020221222 its reverse (2221220202111), we get a palindrome (3333240423333).

The spelling of 1112020221222 in words is "one trillion, one hundred twelve billion, twenty million, two hundred twenty-one thousand, two hundred twenty-two".