22111102222112 has 48 divisors (see below), whose sum is σ = 44549783907552. Its totient is φ = 10796942929920.

The previous prime is 22111102222073. The next prime is 22111102222117. The reversal of 22111102222112 is 21122220111122.

It is not an unprimeable number, because it can be changed into a prime (22111102222117) 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, 8808128 + ... + 11036544.

It is an arithmetic number, because the mean of its divisors is an integer number (928120498074).

Almost surely, 2^{22111102222112} is an apocalyptic number.

It is an amenable number.

22111102222112 is an abundant number, since it is smaller than the sum of its proper divisors (22438681685440).

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

22111102222112 is a wasteful number, since it uses less digits than its factorization.

22111102222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235681 (or 2235673 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22111102222112 its reverse (21122220111122), we get a palindrome (43233322333234).

The spelling of 22111102222112 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred twelve".