1121304421413 has 24 divisors (see below), whose sum is σ = 1768634658336. Its totient is φ = 678912775200.

The previous prime is 1121304421403. The next prime is 1121304421417. The reversal of 1121304421413 is 3141244031211.

It is a happy number.

1121304421413 is a `hidden beast` number, since 1 + 1 + 213 + 0 + 442 + 1 + 4 + 1 + 3 = 666.

It is not a de Polignac number, because 1121304421413 - 2⁴ = 1121304421397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121304421417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5445595 + ... + 5647752.

It is an arithmetic number, because the mean of its divisors is an integer number (73693110764).

Almost surely, 2^{1121304421413} is an apocalyptic number.

It is an amenable number.

1121304421413 is a deficient number, since it is larger than the sum of its proper divisors (647330236923).

1121304421413 is a wasteful number, since it uses less digits than its factorization.

1121304421413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094385 (or 11094382 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1121304421413 its reverse (3141244031211), we get a palindrome (4262548452624).

The spelling of 1121304421413 in words is "one trillion, one hundred twenty-one billion, three hundred four million, four hundred twenty-one thousand, four hundred thirteen".