2132120131121 has 4 divisors (see below), whose sum is σ = 2138846062452. Its totient is φ = 2125394199792.

The previous prime is 2132120131109. The next prime is 2132120131151. The reversal of 2132120131121 is 1211310212312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1280154210721 + 851965920400 = 1131439^2 + 923020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132120131121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2132120131093 and 2132120131102.

It is not an unprimeable number, because it can be changed into a prime (2132120131151) 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 3 ways as a sum of consecutive naturals, for example, 3362965190 + ... + 3362965823.

It is an arithmetic number, because the mean of its divisors is an integer number (534711515613).

Almost surely, 2^{2132120131121} is an apocalyptic number.

It is an amenable number.

2132120131121 is a deficient number, since it is larger than the sum of its proper divisors (6725931331).

2132120131121 is an equidigital number, since it uses as much as digits as its factorization.

2132120131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725931330.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2132120131121 its reverse (1211310212312), we get a palindrome (3343430343433).

The spelling of 2132120131121 in words is "two trillion, one hundred thirty-two billion, one hundred twenty million, one hundred thirty-one thousand, one hundred twenty-one".