22110121222 has 16 divisors (see below), whose sum is σ = 40132657440. Its totient is φ = 8918368128.

The previous prime is 22110121219. The next prime is 22110121223. The reversal of 22110121222 is 22212101122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22110121196 and 22110121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110121223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46449597 + ... + 46450072.

It is an arithmetic number, because the mean of its divisors is an integer number (2508291090).

Almost surely, 2^22110121222 is an apocalyptic number.

22110121222 is a deficient number, since it is larger than the sum of its proper divisors (18022536218).

22110121222 is a wasteful number, since it uses less digits than its factorization.

22110121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92899695.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22110121222 its reverse (22212101122), we get a palindrome (44322222344).

The spelling of 22110121222 in words is "twenty-two billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".