22011021121222 has 192 divisors, whose sum is σ = 41823430617600. Its totient is φ = 8635680345600.

The previous prime is 22011021121139. The next prime is 22011021121259. The reversal of 22011021121222 is 22212112011022.

It is a self number, because there is not a number n which added to its sum of digits gives 22011021121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4357752597 + ... + 4357757647.

It is an arithmetic number, because the mean of its divisors is an integer number (217830367800).

Almost surely, 2^{22011021121222} is an apocalyptic number.

22011021121222 is a deficient number, since it is larger than the sum of its proper divisors (19812409496378).

22011021121222 is a wasteful number, since it uses less digits than its factorization.

22011021121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5684 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22011021121222 its reverse (22212112011022), we get a palindrome (44223133132244).

The spelling of 22011021121222 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".