2105231051000 has 192 divisors, whose sum is σ = 6251483253600. Its totient is φ = 656175744000.

The previous prime is 2105231050991. The next prime is 2105231051003. The reversal of 2105231051000 is 1501325012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105231051003) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1413905 + ... + 2491904.

Almost surely, 2^{2105231051000} is an apocalyptic number.

2105231051000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105231051000 is an abundant number, since it is smaller than the sum of its proper divisors (4146252202600).

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

2105231051000 is a wasteful number, since it uses less digits than its factorization.

2105231051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905855 (or 3905834 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 2105231051000 its reverse (1501325012), we get a palindrome (2106732376012).

The spelling of 2105231051000 in words is "two trillion, one hundred five billion, two hundred thirty-one million, fifty-one thousand".