2100424042112 has 96 divisors (see below), whose sum is σ = 4652604956160. Its totient is φ = 936722508800.

The previous prime is 2100424042069. The next prime is 2100424042151. The reversal of 2100424042112 is 2112404240012.

It is a super-2 number, since 2×2100424042112² (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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3689537 + ... + 4220607.

It is an arithmetic number, because the mean of its divisors is an integer number (48464634960).

Almost surely, 2^{2100424042112} is an apocalyptic number.

2100424042112 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 2100424042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326302478080).

2100424042112 is an abundant number, since it is smaller than the sum of its proper divisors (2552180914048).

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

2100424042112 is an equidigital number, since it uses as much as digits as its factorization.

2100424042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531202 (or 531137 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2100424042112 its reverse (2112404240012), we get a palindrome (4212828282124).

The spelling of 2100424042112 in words is "two trillion, one hundred billion, four hundred twenty-four million, forty-two thousand, one hundred twelve".