113143214421 has 8 divisors (see below), whose sum is σ = 167619576960. Its totient is φ = 75428809596.

The previous prime is 113143214389. The next prime is 113143214501. The reversal of 113143214421 is 124412341311.

It is a happy number.

113143214421 is a `hidden beast` number, since 1 + 1 + 314 + 321 + 4 + 4 + 21 = 666.

It is not a de Polignac number, because 113143214421 - 2⁵ = 113143214389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4190489423 = 113143214421 / (1 + 1 + 3 + 1 + 4 + 3 + 2 + 1 + 4 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143214221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095244685 + ... + 2095244738.

It is an arithmetic number, because the mean of its divisors is an integer number (20952447120).

Almost surely, 2^113143214421 is an apocalyptic number.

It is an amenable number.

113143214421 is a deficient number, since it is larger than the sum of its proper divisors (54476362539).

113143214421 is an equidigital number, since it uses as much as digits as its factorization.

113143214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190489432 (or 4190489426 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 113143214421 its reverse (124412341311), we get a palindrome (237555555732).

The spelling of 113143214421 in words is "one hundred thirteen billion, one hundred forty-three million, two hundred fourteen thousand, four hundred twenty-one".