112204121 has 2 divisors, whose sum is σ = 112204122. Its totient is φ = 112204120.

The previous prime is 112204117. The next prime is 112204129. The reversal of 112204121 is 121402211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108160000 + 4044121 = 10400^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 112204121 - 2² = 112204117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112204096 and 112204105.

It is not a weakly prime, because it can be changed into another prime (112204129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56102060 + 56102061.

It is an arithmetic number, because the mean of its divisors is an integer number (56102061).

Almost surely, 2^112204121 is an apocalyptic number.

It is an amenable number.

112204121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112204121 is an equidigital number, since it uses as much as digits as its factorization.

112204121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 112204121 is about 10592.6446650494. The cubic root of 112204121 is about 482.3211088373.

Adding to 112204121 its reverse (121402211), we get a palindrome (233606332).

The spelling of 112204121 in words is "one hundred twelve million, two hundred four thousand, one hundred twenty-one".