22102221110212 has 12 divisors (see below), whose sum is σ = 38881394205696. Its totient is φ = 10993251337160.

The previous prime is 22102221110147. The next prime is 22102221110237. The reversal of 22102221110212 is 21201112220122.

It is a self number, because there is not a number n which added to its sum of digits gives 22102221110212.

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 3 ways as a sum of consecutive naturals, for example, 14464803628 + ... + 14464805155.

It is an arithmetic number, because the mean of its divisors is an integer number (3240116183808).

Almost surely, 2^{22102221110212} is an apocalyptic number.

It is an amenable number.

22102221110212 is a deficient number, since it is larger than the sum of its proper divisors (16779173095484).

22102221110212 is a wasteful number, since it uses less digits than its factorization.

22102221110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28929608978 (or 28929608976 counting only the distinct ones).

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

Adding to 22102221110212 its reverse (21201112220122), we get a palindrome (43303333330334).

The spelling of 22102221110212 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-one million, one hundred ten thousand, two hundred twelve".