22120211222222 has 16 divisors (see below), whose sum is σ = 33378413528592. Its totient is φ = 10994097528960.

The previous prime is 22120211222209. The next prime is 22120211222233. The reversal of 22120211222222 is 22222211202122.

It is a super-2 number, since 2×22120211222222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 4201904 + ... + 7867427.

It is an arithmetic number, because the mean of its divisors is an integer number (2086150845537).

Almost surely, 2^{22120211222222} is an apocalyptic number.

22120211222222 is a deficient number, since it is larger than the sum of its proper divisors (11258202306370).

22120211222222 is a wasteful number, since it uses less digits than its factorization.

22120211222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12074803.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22120211222222 its reverse (22222211202122), we get a palindrome (44342422424344).

The spelling of 22120211222222 in words is "twenty-two trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".