2121103413 has 96 divisors (see below), whose sum is σ = 3943779840. Its totient is φ = 1077995520.

The previous prime is 2121103393. The next prime is 2121103417. The reversal of 2121103413 is 3143011212.

2121103413 is a `hidden beast` number, since 212 + 110 + 341 + 3 = 666.

It is not a de Polignac number, because 2121103413 - 2⁸ = 2121103157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121103417) 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 95 ways as a sum of consecutive naturals, for example, 632820 + ... + 636162.

It is an arithmetic number, because the mean of its divisors is an integer number (41081040).

Almost surely, 2^2121103413 is an apocalyptic number.

It is an amenable number.

2121103413 is a deficient number, since it is larger than the sum of its proper divisors (1822676427).

2121103413 is a wasteful number, since it uses less digits than its factorization.

2121103413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2121103413 is about 46055.4384736483. The cubic root of 2121103413 is about 1284.8544931559.

Adding to 2121103413 its reverse (3143011212), we get a palindrome (5264114625).

The spelling of 2121103413 in words is "two billion, one hundred twenty-one million, one hundred three thousand, four hundred thirteen".