2121301113 has 8 divisors (see below), whose sum is σ = 2977264800. Its totient is φ = 1339769088.

The previous prime is 2121301099. The next prime is 2121301141. The reversal of 2121301113 is 3111031212.

It is a happy number.

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

It is not a de Polignac number, because 2121301113 - 2¹⁰ = 2121300089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2121301092 and 2121301101.

It is not an unprimeable number, because it can be changed into a prime (2121301183) 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 7 ways as a sum of consecutive naturals, for example, 18607848 + ... + 18607961.

It is an arithmetic number, because the mean of its divisors is an integer number (372158100).

Almost surely, 2^2121301113 is an apocalyptic number.

It is an amenable number.

2121301113 is a deficient number, since it is larger than the sum of its proper divisors (855963687).

2121301113 is a wasteful number, since it uses less digits than its factorization.

2121301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37215831.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2121301113 is about 46057.5847499627. The cubic root of 2121301113 is about 1284.8944107196.

Adding to 2121301113 its reverse (3111031212), we get a palindrome (5232332325).

The spelling of 2121301113 in words is "two billion, one hundred twenty-one million, three hundred one thousand, one hundred thirteen".