2105234121152 has 56 divisors (see below), whose sum is σ = 4225280734080. Its totient is φ = 1040600760320.

The previous prime is 2105234121149. The next prime is 2105234121173. The reversal of 2105234121152 is 2511214325012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34413152 + ... + 34474272.

It is an arithmetic number, because the mean of its divisors is an integer number (75451441680).

Almost surely, 2^{2105234121152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105234121152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112640367040).

2105234121152 is an abundant number, since it is smaller than the sum of its proper divisors (2120046612928).

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

2105234121152 is an equidigital number, since it uses as much as digits as its factorization.

2105234121152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67269 (or 67259 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2105234121152 its reverse (2511214325012), we get a palindrome (4616448446164).

The spelling of 2105234121152 in words is "two trillion, one hundred five billion, two hundred thirty-four million, one hundred twenty-one thousand, one hundred fifty-two".