22211112122 has 64 divisors (see below), whose sum is σ = 36055756800. Its totient is φ = 10241387520.

The previous prime is 22211112067. The next prime is 22211112149. The reversal of 22211112122 is 22121111222.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22211112122.

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 31 ways as a sum of consecutive naturals, for example, 25736663 + ... + 25737525.

It is an arithmetic number, because the mean of its divisors is an integer number (563371200).

Almost surely, 2^22211112122 is an apocalyptic number.

22211112122 is a deficient number, since it is larger than the sum of its proper divisors (13844644678).

22211112122 is a wasteful number, since it uses less digits than its factorization.

22211112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its digits is 64, while the sum is 17.

Adding to 22211112122 its reverse (22121111222), we get a palindrome (44332223344).

The spelling of 22211112122 in words is "twenty-two billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-two".