113320534421 has 4 divisors (see below), whose sum is σ = 113321208000. Its totient is φ = 113319860844.

The previous prime is 113320534409. The next prime is 113320534493. The reversal of 113320534421 is 124435023311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 124435023311 = 15581 ⋅7986331.

It is a cyclic number.

It is not a de Polignac number, because 113320534421 - 2¹⁸ = 113320272277 is a prime.

It is a super-2 number, since 2×113320534421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113320534021) 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 3 ways as a sum of consecutive naturals, for example, 152930 + ... + 500028.

It is an arithmetic number, because the mean of its divisors is an integer number (28330302000).

Almost surely, 2^113320534421 is an apocalyptic number.

It is an amenable number.

113320534421 is a deficient number, since it is larger than the sum of its proper divisors (673579).

113320534421 is an equidigital number, since it uses as much as digits as its factorization.

113320534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673578.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 113320534421 its reverse (124435023311), we get a palindrome (237755557732).

The spelling of 113320534421 in words is "one hundred thirteen billion, three hundred twenty million, five hundred thirty-four thousand, four hundred twenty-one".