22022221110012 has 72 divisors (see below), whose sum is σ = 60617729062800. Its totient is φ = 6714579207168.

The previous prime is 22022221109963. The next prime is 22022221110059. The reversal of 22022221110012 is 21001112222022.

It is a happy number.

22022221110012 is a `hidden beast` number, since 220 + 222 + 211 + 1 + 0 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 in 23 ways as a sum of consecutive naturals, for example, 555087573 + ... + 555127244.

It is an arithmetic number, because the mean of its divisors is an integer number (841912903650).

Almost surely, 2^{22022221110012} is an apocalyptic number.

It is an amenable number.

22022221110012 is an abundant number, since it is smaller than the sum of its proper divisors (38595507952788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22022221110012 is a wasteful number, since it uses less digits than its factorization.

22022221110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110214875 (or 1110214870 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22022221110012 its reverse (21001112222022), we get a palindrome (43023333332034).

The spelling of 22022221110012 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-one million, one hundred ten thousand, twelve".