22110222112212 has 48 divisors (see below), whose sum is σ = 56098427665280. Its totient is φ = 6737095306368.

The previous prime is 22110222112207. The next prime is 22110222112243. The reversal of 22110222112212 is 21221122201122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688004287 + ... + 688036422.

Almost surely, 2^{22110222112212} is an apocalyptic number.

It is an amenable number.

22110222112212 is an abundant number, since it is smaller than the sum of its proper divisors (33988205553068).

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

22110222112212 is a wasteful number, since it uses less digits than its factorization.

22110222112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376040832 (or 1376040830 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22110222112212 its reverse (21221122201122), we get a palindrome (43331344313334).

It can be divided in two parts, 2211022 and 2112212, that added together give a palindrome (4323234).

The spelling of 22110222112212 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twelve".