113013432210421 has 4 divisors (see below), whose sum is σ = 113016064819500. Its totient is φ = 113010799601344.

The previous prime is 113013432210397. The next prime is 113013432210473. The reversal of 113013432210421 is 124012234310311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7896600187921 + 105116832022500 = 2810089^2 + 10252650^2 .

It is a cyclic number.

It is not a de Polignac number, because 113013432210421 - 2⁷ = 113013432210293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113013432210421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113013432219421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316240146 + ... + 1316326003.

It is an arithmetic number, because the mean of its divisors is an integer number (28254016204875).

Almost surely, 2^{113013432210421} is an apocalyptic number.

It is an amenable number.

113013432210421 is a deficient number, since it is larger than the sum of its proper divisors (2632609079).

113013432210421 is an equidigital number, since it uses as much as digits as its factorization.

113013432210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632609078.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 113013432210421 its reverse (124012234310311), we get a palindrome (237025666520732).

The spelling of 113013432210421 in words is "one hundred thirteen trillion, thirteen billion, four hundred thirty-two million, two hundred ten thousand, four hundred twenty-one".