22000121122222 has 8 divisors (see below), whose sum is σ = 34434972191376. Its totient is φ = 10521797058432.

The previous prime is 22000121122171. The next prime is 22000121122223. The reversal of 22000121122222 is 22222112100022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22000121122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000121122223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239131751283 + ... + 239131751374.

It is an arithmetic number, because the mean of its divisors is an integer number (4304371523922).

Almost surely, 2^{22000121122222} is an apocalyptic number.

22000121122222 is a deficient number, since it is larger than the sum of its proper divisors (12434851069154).

22000121122222 is a wasteful number, since it uses less digits than its factorization.

22000121122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478263502682.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22000121122222 its reverse (22222112100022), we get a palindrome (44222233222244).

The spelling of 22000121122222 in words is "twenty-two trillion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".