22022221021112 has 32 divisors (see below), whose sum is σ = 44468238092880. Its totient is φ = 10164035312640.

The previous prime is 22022221021061. The next prime is 22022221021211. The reversal of 22022221021112 is 21112012222022.

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 7 ways as a sum of consecutive naturals, for example, 17513423 + ... + 18728705.

Almost surely, 2^{22022221021112} is an apocalyptic number.

It is an amenable number.

22022221021112 is an abundant number, since it is smaller than the sum of its proper divisors (22446017071768).

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

22022221021112 is a wasteful number, since it uses less digits than its factorization.

22022221021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389543 (or 1389539 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22022221021112 its reverse (21112012222022), we get a palindrome (43134233243134).

The spelling of 22022221021112 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".