20221222112122 has 8 divisors (see below), whose sum is σ = 30632148348372. Its totient is φ = 10010505996000.

The previous prime is 20221222112099. The next prime is 20221222112129. The reversal of 20221222112122 is 22121122212202.

It can be written as a sum of positive squares in 2 ways, for example, as 14525405510841 + 5695816601281 = 3811221^2 + 2386591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20221222112093 and 20221222112102.

It is not an unprimeable number, because it can be changed into a prime (20221222112129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50052529779 + ... + 50052530182.

Almost surely, 2^{20221222112122} is an apocalyptic number.

20221222112122 is a deficient number, since it is larger than the sum of its proper divisors (10410926236250).

20221222112122 is a wasteful number, since it uses less digits than its factorization.

20221222112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100105060064.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 20221222112122 its reverse (22121122212202), we get a palindrome (42342344324324).

The spelling of 20221222112122 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".