2108112251000 has 384 divisors, whose sum is σ = 6271992829440. Its totient is φ = 658312704000.

The previous prime is 2108112250967. The next prime is 2108112251023. The reversal of 2108112251000 is 1522118012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25782182 + ... + 25863818.

It is an arithmetic number, because the mean of its divisors is an integer number (16333314660).

Almost surely, 2^{2108112251000} is an apocalyptic number.

2108112251000 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 2108112251000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135996414720).

2108112251000 is an abundant number, since it is smaller than the sum of its proper divisors (4163880578440).

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

2108112251000 is a wasteful number, since it uses less digits than its factorization.

2108112251000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81720 (or 81699 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 2108112251000 its reverse (1522118012), we get a palindrome (2109634369012).

The spelling of 2108112251000 in words is "two trillion, one hundred eight billion, one hundred twelve million, two hundred fifty-one thousand".