20022222112112 has 20 divisors (see below), whose sum is σ = 42319696737336. Its totient is φ = 9101010050880.

The previous prime is 20022222112111. The next prime is 20022222112169. The reversal of 20022222112112 is 21121122222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022222112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56881312643 + ... + 56881312994.

Almost surely, 2^{20022222112112} is an apocalyptic number.

20022222112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20022222112112 is an abundant number, since it is smaller than the sum of its proper divisors (22297474625224).

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

20022222112112 is a wasteful number, since it uses less digits than its factorization.

20022222112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113762625656 (or 113762625650 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20022222112112 its reverse (21121122222002), we get a palindrome (41143344334114).

The spelling of 20022222112112 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".