112213421 has 8 divisors (see below), whose sum is σ = 113534784. Its totient is φ = 110899360.

The previous prime is 112213399. The next prime is 112213471. The reversal of 112213421 is 124312211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112213421 - 2¹⁸ = 111951277 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 112213421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112213471) 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, 32825 + ... + 36081.

It is an arithmetic number, because the mean of its divisors is an integer number (14191848).

Almost surely, 2^112213421 is an apocalyptic number.

It is an amenable number.

112213421 is a deficient number, since it is larger than the sum of its proper divisors (1321363).

112213421 is a wasteful number, since it uses less digits than its factorization.

112213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651.

The product of its digits is 96, while the sum is 17.

The square root of 112213421 is about 10593.0836398095. The cubic root of 112213421 is about 482.3344341423.

Adding to 112213421 its reverse (124312211), we get a palindrome (236525632).

The spelling of 112213421 in words is "one hundred twelve million, two hundred thirteen thousand, four hundred twenty-one".