2112140442220 has 96 divisors (see below), whose sum is σ = 4667380300800. Its totient is φ = 801321548544.

The previous prime is 2112140442163. The next prime is 2112140442233. The reversal of 2112140442220 is 222440412112.

It is a super-2 number, since 2×2112140442220² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 52986337 + ... + 53026183.

It is an arithmetic number, because the mean of its divisors is an integer number (48618544800).

Almost surely, 2^{2112140442220} is an apocalyptic number.

2112140442220 is a gapful number since it is divisible by the number (20) 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 2112140442220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333690150400).

2112140442220 is an abundant number, since it is smaller than the sum of its proper divisors (2555239858580).

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

2112140442220 is a wasteful number, since it uses less digits than its factorization.

2112140442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40847 (or 40845 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 2112140442220 its reverse (222440412112), we get a palindrome (2334580854332).

The spelling of 2112140442220 in words is "two trillion, one hundred twelve billion, one hundred forty million, four hundred forty-two thousand, two hundred twenty".