113133144444421 has 2 divisors, whose sum is σ = 113133144444422. Its totient is φ = 113133144444420.

The previous prime is 113133144444401. The next prime is 113133144444451. The reversal of 113133144444421 is 124444441331311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113079616532100 + 53527912321 = 10633890^2 + 231361^2 .

It is a cyclic number.

It is not a de Polignac number, because 113133144444421 - 2⁵ = 113133144444389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113133144444401) 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 as a sum of consecutive naturals, namely, 56566572222210 + 56566572222211.

It is an arithmetic number, because the mean of its divisors is an integer number (56566572222211).

Almost surely, 2^{113133144444421} is an apocalyptic number.

It is an amenable number.

113133144444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

113133144444421 is an equidigital number, since it uses as much as digits as its factorization.

113133144444421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 40.

Adding to 113133144444421 its reverse (124444441331311), we get a palindrome (237577585775732).

The spelling of 113133144444421 in words is "one hundred thirteen trillion, one hundred thirty-three billion, one hundred forty-four million, four hundred forty-four thousand, four hundred twenty-one".