222120221010112 has 112 divisors (see below), whose sum is σ = 469485004709088. Its totient is φ = 103904266158080.

The previous prime is 222120221010071. The next prime is 222120221010113. The reversal of 222120221010112 is 211010122021222.

It is a self number, because there is not a number n which added to its sum of digits gives 222120221010112.

It is not an unprimeable number, because it can be changed into a prime (222120221010113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157610088 + ... + 159013144.

Almost surely, 2^{222120221010112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120221010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234742502354544).

222120221010112 is an abundant number, since it is smaller than the sum of its proper divisors (247364783698976).

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

222120221010112 is a wasteful number, since it uses less digits than its factorization.

222120221010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403954 (or 1403944 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222120221010112 its reverse (211010122021222), we get a palindrome (433130343031334).

The spelling of 222120221010112 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, ten thousand, one hundred twelve".