112124223421 has 4 divisors (see below), whose sum is σ = 128141969632. Its totient is φ = 96106477212.

The previous prime is 112124223391. The next prime is 112124223517. The reversal of 112124223421 is 124322421211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112124223421 - 2⁵ = 112124223389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112124223821) 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, 8008873095 + ... + 8008873108.

It is an arithmetic number, because the mean of its divisors is an integer number (32035492408).

Almost surely, 2^112124223421 is an apocalyptic number.

It is an amenable number.

112124223421 is a deficient number, since it is larger than the sum of its proper divisors (16017746211).

112124223421 is an equidigital number, since it uses as much as digits as its factorization.

112124223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16017746210.

The product of its digits is 1536, while the sum is 25.

Adding to 112124223421 its reverse (124322421211), we get a palindrome (236446644632).

The spelling of 112124223421 in words is "one hundred twelve billion, one hundred twenty-four million, two hundred twenty-three thousand, four hundred twenty-one".