22100020211222 has 4 divisors (see below), whose sum is σ = 33150030316836. Its totient is φ = 11050010105610.

The previous prime is 22100020211219. The next prime is 22100020211231. The reversal of 22100020211222 is 22211202000122.

It is a happy number.

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 22100020211222.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5525005052804 + ... + 5525005052807.

It is an arithmetic number, because the mean of its divisors is an integer number (8287507579209).

Almost surely, 2^{22100020211222} is an apocalyptic number.

22100020211222 is a deficient number, since it is larger than the sum of its proper divisors (11050010105614).

22100020211222 is a wasteful number, since it uses less digits than its factorization.

22100020211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050010105613.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22100020211222 its reverse (22211202000122), we get a palindrome (44311222211344).

The spelling of 22100020211222 in words is "twenty-two trillion, one hundred billion, twenty million, two hundred eleven thousand, two hundred twenty-two".