112205621 has 8 divisors (see below), whose sum is σ = 128848800. Its totient is φ = 96636240.

The previous prime is 112205617. The next prime is 112205633. The reversal of 112205621 is 126502211.

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

It is a cyclic number.

It is not a de Polignac number, because 112205621 - 2² = 112205617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112205593 and 112205602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112205671) 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, 268226 + ... + 268643.

It is an arithmetic number, because the mean of its divisors is an integer number (16106100).

Almost surely, 2^112205621 is an apocalyptic number.

112205621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112205621 is a deficient number, since it is larger than the sum of its proper divisors (16643179).

112205621 is a wasteful number, since it uses less digits than its factorization.

112205621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536899.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 112205621 is about 10592.7154686605. The cubic root of 112205621 is about 482.3232581298.

Adding to 112205621 its reverse (126502211), we get a palindrome (238707832).

The spelling of 112205621 in words is "one hundred twelve million, two hundred five thousand, six hundred twenty-one".