22140111112 has 32 divisors (see below), whose sum is σ = 47745299520. Its totient is φ = 9428178240.

The previous prime is 22140111079. The next prime is 22140111113. The reversal of 22140111112 is 21111104122.

It is not an unprimeable number, because it can be changed into a prime (22140111113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250314 + ... + 1267897.

It is an arithmetic number, because the mean of its divisors is an integer number (1492040610).

Almost surely, 2^22140111112 is an apocalyptic number.

It is an amenable number.

22140111112 is an abundant number, since it is smaller than the sum of its proper divisors (25605188408).

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

22140111112 is a wasteful number, since it uses less digits than its factorization.

22140111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518381 (or 2518377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22140111112 its reverse (21111104122), we get a palindrome (43251215234).

The spelling of 22140111112 in words is "twenty-two billion, one hundred forty million, one hundred eleven thousand, one hundred twelve".