222222020010112 has 128 divisors (see below), whose sum is σ = 457383502368000. Its totient is φ = 107502031319040.

The previous prime is 222222020010047. The next prime is 222222020010131. The reversal of 222222020010112 is 211010020222222.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 222222020010112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118902133 + ... + 120756619.

It is an arithmetic number, because the mean of its divisors is an integer number (3573308612250).

Almost surely, 2^{222222020010112} 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 222222020010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228691751184000).

222222020010112 is an abundant number, since it is smaller than the sum of its proper divisors (235161482357888).

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

222222020010112 is a wasteful number, since it uses less digits than its factorization.

222222020010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854814 (or 1854802 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222222020010112 its reverse (211010020222222), we get a palindrome (433232040232334).

The spelling of 222222020010112 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty million, ten thousand, one hundred twelve".