113221130421 has 8 divisors (see below), whose sum is σ = 172527436864. Its totient is φ = 64697788800.

The previous prime is 113221130413. The next prime is 113221130441. The reversal of 113221130421 is 124031122311.

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

It is not a de Polignac number, because 113221130421 - 2³ = 113221130413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5391482401 = 113221130421 / (1 + 1 + 3 + 2 + 2 + 1 + 1 + 3 + 0 + 4 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221130401) 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 7 ways as a sum of consecutive naturals, for example, 2695741180 + ... + 2695741221.

It is an arithmetic number, because the mean of its divisors is an integer number (21565929608).

Almost surely, 2^113221130421 is an apocalyptic number.

It is an amenable number.

113221130421 is a deficient number, since it is larger than the sum of its proper divisors (59306306443).

113221130421 is an equidigital number, since it uses as much as digits as its factorization.

113221130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5391482411.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 113221130421 its reverse (124031122311), we get a palindrome (237252252732).

The spelling of 113221130421 in words is "one hundred thirteen billion, two hundred twenty-one million, one hundred thirty thousand, four hundred twenty-one".