112222120211220 has 24 divisors (see below), whose sum is σ = 314221936591584. Its totient is φ = 29925898722976.

The previous prime is 112222120211219. The next prime is 112222120211233. The reversal of 112222120211220 is 22112021222211.

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, 935184335034 + ... + 935184335153.

It is an arithmetic number, because the mean of its divisors is an integer number (13092580691316).

Almost surely, 2^{112222120211220} is an apocalyptic number.

112222120211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222120211220 is an abundant number, since it is smaller than the sum of its proper divisors (201999816380364).

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

112222120211220 is a wasteful number, since it uses less digits than its factorization.

112222120211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870368670199 (or 1870368670197 counting only the distinct ones).

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

Adding to 112222120211220 its reverse (22112021222211), we get a palindrome (134334141433431).

The spelling of 112222120211220 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred twenty million, two hundred eleven thousand, two hundred twenty".