112221011222220 has 48 divisors (see below), whose sum is σ = 315386931212640. Its totient is φ = 29814355393536.

The previous prime is 112221011222179. The next prime is 112221011222273. The reversal of 112221011222220 is 22222110122211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3476471197 + ... + 3476503476.

It is an arithmetic number, because the mean of its divisors is an integer number (6570561066930).

Almost surely, 2^{112221011222220} is an apocalyptic number.

112221011222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221011222220 is an abundant number, since it is smaller than the sum of its proper divisors (203165919990420).

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

112221011222220 is a wasteful number, since it uses less digits than its factorization.

112221011222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952974954 (or 6952974952 counting only the distinct ones).

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

Adding to 112221011222220 its reverse (22222110122211), we get a palindrome (134443121344431).

The spelling of 112221011222220 in words is "one hundred twelve trillion, two hundred twenty-one billion, eleven million, two hundred twenty-two thousand, two hundred twenty".