112420221 has 8 divisors (see below), whose sum is σ = 149984064. Its totient is φ = 74901600.

The previous prime is 112420213. The next prime is 112420241. The reversal of 112420221 is 122024211.

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

It is not a de Polignac number, because 112420221 - 2³ = 112420213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112420221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112420241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5001 + ... + 15806.

It is an arithmetic number, because the mean of its divisors is an integer number (18748008).

Almost surely, 2^112420221 is an apocalyptic number.

It is an amenable number.

112420221 is a deficient number, since it is larger than the sum of its proper divisors (37563843).

112420221 is a wasteful number, since it uses less digits than its factorization.

112420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22611.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 112420221 is about 10602.8402326924. The cubic root of 112420221 is about 482.6305530549.

Adding to 112420221 its reverse (122024211), we get a palindrome (234444432).

The spelling of 112420221 in words is "one hundred twelve million, four hundred twenty thousand, two hundred twenty-one".