2131330200121 has 8 divisors (see below), whose sum is σ = 2259781299144. Its totient is φ = 2003221182720.

The previous prime is 2131330200107. The next prime is 2131330200161. The reversal of 2131330200121 is 1210020331312.

It can be written as a sum of positive squares in 4 ways, for example, as 1644970414096 + 486359786025 = 1282564^2 + 697395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131330200121 - 2¹⁵ = 2131330167353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131330200161) 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, 85507570 + ... + 85532491.

It is an arithmetic number, because the mean of its divisors is an integer number (282472662393).

Almost surely, 2^{2131330200121} is an apocalyptic number.

It is an amenable number.

2131330200121 is a deficient number, since it is larger than the sum of its proper divisors (128451099023).

2131330200121 is a wasteful number, since it uses less digits than its factorization.

2131330200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171040811.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2131330200121 its reverse (1210020331312), we get a palindrome (3341350531433).

The spelling of 2131330200121 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, two hundred thousand, one hundred twenty-one".