112342431421 has 4 divisors (see below), whose sum is σ = 122555379744. Its totient is φ = 102129483100.

The previous prime is 112342431419. The next prime is 112342431437. The reversal of 112342431421 is 124134243211.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 124134243211 = 11 ⋅11284931201.

It is a cyclic number.

It is not a de Polignac number, because 112342431421 - 2¹ = 112342431419 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 112342431421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112342431451) 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, 5106474145 + ... + 5106474166.

It is an arithmetic number, because the mean of its divisors is an integer number (30638844936).

Almost surely, 2^112342431421 is an apocalyptic number.

112342431421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112342431421 is a deficient number, since it is larger than the sum of its proper divisors (10212948323).

112342431421 is a wasteful number, since it uses less digits than its factorization.

112342431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212948322.

The product of its digits is 4608, while the sum is 28.

Adding to 112342431421 its reverse (124134243211), we get a palindrome (236476674632).

The spelling of 112342431421 in words is "one hundred twelve billion, three hundred forty-two million, four hundred thirty-one thousand, four hundred twenty-one".