22111222220112 has 40 divisors (see below), whose sum is σ = 57925173712320. Its totient is φ = 7266598850560.

The previous prime is 22111222220093. The next prime is 22111222220123. The reversal of 22111222220112 is 21102222211122.

It is a super-3 number, since 3×22111222220112³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3244013937 + ... + 3244020752.

It is an arithmetic number, because the mean of its divisors is an integer number (1448129342808).

Almost surely, 2^{22111222220112} is an apocalyptic number.

It is an amenable number.

22111222220112 is an abundant number, since it is smaller than the sum of its proper divisors (35813951492208).

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

22111222220112 is a wasteful number, since it uses less digits than its factorization.

22111222220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488034771 (or 6488034765 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22111222220112 its reverse (21102222211122), we get a palindrome (43213444431234).

The spelling of 22111222220112 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twelve".