22100002012222 has 48 divisors (see below), whose sum is σ = 35258332925088. Its totient is φ = 10387124467200.

The previous prime is 22100002012201. The next prime is 22100002012229. The reversal of 22100002012222 is 22221020000122.

It is a junction number, because it is equal to n+sod(n) for n = 22100002012196 and 22100002012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100002012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3454741528 + ... + 3454747924.

It is an arithmetic number, because the mean of its divisors is an integer number (734548602606).

Almost surely, 2^{22100002012222} is an apocalyptic number.

22100002012222 is a deficient number, since it is larger than the sum of its proper divisors (13158330912866).

22100002012222 is a wasteful number, since it uses less digits than its factorization.

22100002012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901 (or 12884 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22100002012222 its reverse (22221020000122), we get a palindrome (44321022012344).

The spelling of 22100002012222 in words is "twenty-two trillion, one hundred billion, two million, twelve thousand, two hundred twenty-two".