22101001001222 has 32 divisors (see below), whose sum is σ = 38956399856640. Its totient is φ = 9270961247520.

The previous prime is 22101001001213. The next prime is 22101001001243. The reversal of 22101001001222 is 22210010010122.

It is a junction number, because it is equal to n+sod(n) for n = 22101001001197 and 22101001001206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7892822 + ... + 10319817.

It is an arithmetic number, because the mean of its divisors is an integer number (1217387495520).

Almost surely, 2^{22101001001222} is an apocalyptic number.

22101001001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22101001001222 is a deficient number, since it is larger than the sum of its proper divisors (16855398855418).

22101001001222 is a wasteful number, since it uses less digits than its factorization.

22101001001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18216908.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101001001222 its reverse (22210010010122), we get a palindrome (44311011011344).

The spelling of 22101001001222 in words is "twenty-two trillion, one hundred one billion, one million, one thousand, two hundred twenty-two".