220120210112 has 112 divisors (see below), whose sum is σ = 485229115392. Its totient is φ = 98236385280.

The previous prime is 220120210111. The next prime is 220120210147. The reversal of 220120210112 is 211012021022.

It is not an unprimeable number, because it can be changed into a prime (220120210111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11450813 + ... + 11470019.

It is an arithmetic number, because the mean of its divisors is an integer number (4332402816).

Almost surely, 2^220120210112 is an apocalyptic number.

220120210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220120210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242614557696).

220120210112 is an abundant number, since it is smaller than the sum of its proper divisors (265108905280).

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

220120210112 is a wasteful number, since it uses less digits than its factorization.

220120210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19526 (or 19516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220120210112 its reverse (211012021022), we get a palindrome (431132231134).

The spelling of 220120210112 in words is "two hundred twenty billion, one hundred twenty million, two hundred ten thousand, one hundred twelve".