22002112111222 has 4 divisors (see below), whose sum is σ = 33003168166836. Its totient is φ = 11001056055610.

The previous prime is 22002112111211. The next prime is 22002112111297. The reversal of 22002112111222 is 22211121120022.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22002112111222.

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 as a sum of consecutive naturals, namely, 5500528027804 + ... + 5500528027807.

It is an arithmetic number, because the mean of its divisors is an integer number (8250792041709).

Almost surely, 2^{22002112111222} is an apocalyptic number.

22002112111222 is a deficient number, since it is larger than the sum of its proper divisors (11001056055614).

22002112111222 is a wasteful number, since it uses less digits than its factorization.

22002112111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001056055613.

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

Adding to 22002112111222 its reverse (22211121120022), we get a palindrome (44213233231244).

The spelling of 22002112111222 in words is "twenty-two trillion, two billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".