113443432224421 has 16 divisors (see below), whose sum is σ = 122505619614336. Its totient is φ = 104429601648576.

The previous prime is 113443432224377. The next prime is 113443432224427. The reversal of 113443432224421 is 124422234344311.

It is a cyclic number.

It is not a de Polignac number, because 113443432224421 - 2¹⁷ = 113443432093349 is a prime.

It is a super-2 number, since 2×113443432224421² (a number of 29 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 (113443432224427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132375 + ... + 15105268.

It is an arithmetic number, because the mean of its divisors is an integer number (7656601225896).

Almost surely, 2^{113443432224421} is an apocalyptic number.

It is an amenable number.

113443432224421 is a deficient number, since it is larger than the sum of its proper divisors (9062187389915).

113443432224421 is a wasteful number, since it uses less digits than its factorization.

113443432224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16239132.

The product of its digits is 442368, while the sum is 40.

Adding to 113443432224421 its reverse (124422234344311), we get a palindrome (237865666568732).

The spelling of 113443432224421 in words is "one hundred thirteen trillion, four hundred forty-three billion, four hundred thirty-two million, two hundred twenty-four thousand, four hundred twenty-one".