2105234121174 has 16 divisors (see below), whose sum is σ = 4210695774912. Its totient is φ = 701706784968.

The previous prime is 2105234121173. The next prime is 2105234121197. The reversal of 2105234121174 is 4711214325012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105234121173) 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 7 ways as a sum of consecutive naturals, for example, 9360124 + ... + 9582399.

It is an arithmetic number, because the mean of its divisors is an integer number (263168485932).

Almost surely, 2^{2105234121174} is an apocalyptic number.

2105234121174 is an abundant number, since it is smaller than the sum of its proper divisors (2105461653738).

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

2105234121174 is a wasteful number, since it uses less digits than its factorization.

2105234121174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18961051.

The product of its (nonzero) digits is 13440, while the sum is 33.

Adding to 2105234121174 its reverse (4711214325012), we get a palindrome (6816448446186).

The spelling of 2105234121174 in words is "two trillion, one hundred five billion, two hundred thirty-four million, one hundred twenty-one thousand, one hundred seventy-four".