113242411421 has 4 divisors (see below), whose sum is σ = 113273046012. Its totient is φ = 113211776832.

The previous prime is 113242411409. The next prime is 113242411441. The reversal of 113242411421 is 124114242311.

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 55455540100 + 57786871321 = 235490^2 + 240389^2 .

It is a cyclic number.

It is not a de Polignac number, because 113242411421 - 2²² = 113238217117 is a prime.

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 (113242411441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15311750 + ... + 15319143.

It is an arithmetic number, because the mean of its divisors is an integer number (28318261503).

Almost surely, 2^113242411421 is an apocalyptic number.

It is an amenable number.

113242411421 is a deficient number, since it is larger than the sum of its proper divisors (30634591).

113242411421 is an equidigital number, since it uses as much as digits as its factorization.

113242411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30634590.

The product of its digits is 1536, while the sum is 26.

Adding to 113242411421 its reverse (124114242311), we get a palindrome (237356653732).

The spelling of 113242411421 in words is "one hundred thirteen billion, two hundred forty-two million, four hundred eleven thousand, four hundred twenty-one".