2112040344100 has 144 divisors (see below), whose sum is σ = 4983386042880. Its totient is φ = 773995622400.

The previous prime is 2112040344067. The next prime is 2112040344103. The reversal of 2112040344100 is 14430402112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2112040344103) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 9424552 + ... + 9646048.

It is an arithmetic number, because the mean of its divisors is an integer number (34606847520).

Almost surely, 2^{2112040344100} is an apocalyptic number.

2112040344100 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 2112040344100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491693021440).

2112040344100 is an abundant number, since it is smaller than the sum of its proper divisors (2871345698780).

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

2112040344100 is a wasteful number, since it uses less digits than its factorization.

2112040344100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221678 (or 221671 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2112040344100 its reverse (14430402112), we get a palindrome (2126470746212).

The spelling of 2112040344100 in words is "two trillion, one hundred twelve billion, forty million, three hundred forty-four thousand, one hundred".