2121130301121 has 20 divisors (see below), whose sum is σ = 3412340676052. Its totient is φ = 1305310953888.

The previous prime is 2121130301111. The next prime is 2121130301201. The reversal of 2121130301121 is 1211030311212.

2121130301121 is a `hidden beast` number, since 2 + 1 + 211 + 30 + 301 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 576240401025 + 1544889900096 = 759105^2 + 1242936^2 .

It is not a de Polignac number, because 2121130301121 - 2⁵ = 2121130301089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121130301094 and 2121130301103.

It is not an unprimeable number, because it can be changed into a prime (2121130301111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1007183326 + ... + 1007185431.

Almost surely, 2^{2121130301121} is an apocalyptic number.

It is an amenable number.

2121130301121 is a deficient number, since it is larger than the sum of its proper divisors (1291210374931).

2121130301121 is a wasteful number, since it uses less digits than its factorization.

2121130301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014368782 (or 2014368773 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2121130301121 its reverse (1211030311212), we get a palindrome (3332160612333).

The spelling of 2121130301121 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, three hundred one thousand, one hundred twenty-one".