22022111112 has 32 divisors (see below), whose sum is σ = 55589801280. Its totient is φ = 7269433920.

The previous prime is 22022111077. The next prime is 22022111119. The reversal of 22022111112 is 21111122022.

It is a junction number, because it is equal to n+sod(n) for n = 22022111091 and 22022111100.

It is not an unprimeable number, because it can be changed into a prime (22022111119) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4451839 + ... + 4456782.

It is an arithmetic number, because the mean of its divisors is an integer number (1737181290).

Almost surely, 2^22022111112 is an apocalyptic number.

It is an amenable number.

22022111112 is an abundant number, since it is smaller than the sum of its proper divisors (33567690168).

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

22022111112 is a wasteful number, since it uses less digits than its factorization.

22022111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908733 (or 8908729 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22022111112 its reverse (21111122022), we get a palindrome (43133233134).

The spelling of 22022111112 in words is "twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twelve".