22212121022122 has 16 divisors (see below), whose sum is σ = 33324430784832. Its totient is φ = 11103977603520.

The previous prime is 22212121022099. The next prime is 22212121022159. The reversal of 22212121022122 is 22122012121222.

It is a junction number, because it is equal to n+sod(n) for n = 22212121022093 and 22212121022102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422570722 + ... + 422623282.

It is an arithmetic number, because the mean of its divisors is an integer number (2082776924052).

Almost surely, 2^{22212121022122} is an apocalyptic number.

22212121022122 is a deficient number, since it is larger than the sum of its proper divisors (11112309762710).

22212121022122 is a wasteful number, since it uses less digits than its factorization.

22212121022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88173.

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

Adding to 22212121022122 its reverse (22122012121222), we get a palindrome (44334133143344).

The spelling of 22212121022122 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty-two".