112201121 has 8 divisors (see below), whose sum is σ = 116519424. Its totient is φ = 107926560.

The previous prime is 112201049. The next prime is 112201123. The reversal of 112201121 is 121102211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112201121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112201123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5660 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (14564928).

Almost surely, 2^112201121 is an apocalyptic number.

It is an amenable number.

112201121 is a deficient number, since it is larger than the sum of its proper divisors (4318303).

112201121 is a wasteful number, since it uses less digits than its factorization.

112201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 112201121 is about 10592.5030564074. The cubic root of 112201121 is about 482.3168101948.

Adding to 112201121 its reverse (121102211), we get a palindrome (233303332).

It can be divided in two parts, 11220 and 1121, that multiplied together give a triangular number (12577620 = T₅₀₁₅).

The spelling of 112201121 in words is "one hundred twelve million, two hundred one thousand, one hundred twenty-one".