22221022112122 has 8 divisors (see below), whose sum is σ = 33661548348372. Its totient is φ = 11000505996000.

The previous prime is 22221022112087. The next prime is 22221022112131. The reversal of 22221022112122 is 22121122012222.

It can be written as a sum of positive squares in 2 ways, for example, as 20873010552601 + 1348011559521 = 4568699^2 + 1161039^2 .

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 = 22221022112093 and 22221022112102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55002529779 + ... + 55002530182.

Almost surely, 2^{22221022112122} is an apocalyptic number.

22221022112122 is a deficient number, since it is larger than the sum of its proper divisors (11440526236250).

22221022112122 is a wasteful number, since it uses less digits than its factorization.

22221022112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110005060064.

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

Adding to 22221022112122 its reverse (22121122012222), we get a palindrome (44342144124344).

The spelling of 22221022112122 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, one hundred twelve thousand, one hundred twenty-two".