22111012012222 has 16 divisors (see below), whose sum is σ = 37904783616000. Its totient is φ = 9476100106488.

The previous prime is 22111012012181. The next prime is 22111012012231. The reversal of 22111012012222 is 22221021011122.

It is a self number, because there is not a number n which added to its sum of digits gives 22111012012222.

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, 1048078 + ... + 6732049.

It is an arithmetic number, because the mean of its divisors is an integer number (2369048976000).

Almost surely, 2^{22111012012222} is an apocalyptic number.

22111012012222 is a deficient number, since it is larger than the sum of its proper divisors (15793771603778).

22111012012222 is a wasteful number, since it uses less digits than its factorization.

22111012012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983135.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22111012012222 its reverse (22221021011122), we get a palindrome (44332033023344).

The spelling of 22111012012222 in words is "twenty-two trillion, one hundred eleven billion, twelve million, twelve thousand, two hundred twenty-two".