2112103220000 has 240 divisors, whose sum is σ = 5277794433912. Its totient is φ = 831651840000.

The previous prime is 2112103219997. The next prime is 2112103220021. The reversal of 2112103220000 is 223012112.

It is a happy number.

It can be written as a sum of positive squares in 20 ways, for example, as 481874765584 + 1630228454416 = 694172^2 + 1276804^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 374417180 + ... + 374422820.

Almost surely, 2^{2112103220000} is an apocalyptic number.

2112103220000 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 2112103220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638897216956).

2112103220000 is an abundant number, since it is smaller than the sum of its proper divisors (3165691213912).

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

2112103220000 is an equidigital number, since it uses as much as digits as its factorization.

2112103220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5938 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2112103220000 its reverse (223012112), we get a palindrome (2112326232112).

The spelling of 2112103220000 in words is "two trillion, one hundred twelve billion, one hundred three million, two hundred twenty thousand".