220220112110112 has 144 divisors (see below), whose sum is σ = 629248651799040. Its totient is φ = 73055357222400.

The previous prime is 220220112110087. The next prime is 220220112110113. The reversal of 220220112110112 is 211011211022022.

220220112110112 is a `hidden beast` number, since 220 + 2 + 201 + 121 + 10 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220220112110113) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1505818689 + ... + 1505964927.

It is an arithmetic number, because the mean of its divisors is an integer number (4369782304160).

Almost surely, 2^{220220112110112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220220112110112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314624325899520).

220220112110112 is an abundant number, since it is smaller than the sum of its proper divisors (409028539688928).

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

220220112110112 is a wasteful number, since it uses less digits than its factorization.

220220112110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171247 (or 171236 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220220112110112 its reverse (211011211022022), we get a palindrome (431231323132134).

The spelling of 220220112110112 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred twelve million, one hundred ten thousand, one hundred twelve".