201112241 has 4 divisors (see below), whose sum is σ = 219395184. Its totient is φ = 182829300.

The previous prime is 201112231. The next prime is 201112243. The reversal of 201112241 is 142211102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201112241 - 2¹⁰ = 201111217 is a prime.

It is a super-2 number, since 2×201112241² = 80892266960084162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9141455 + ... + 9141476.

It is an arithmetic number, because the mean of its divisors is an integer number (54848796).

Almost surely, 2^201112241 is an apocalyptic number.

It is an amenable number.

201112241 is a deficient number, since it is larger than the sum of its proper divisors (18282943).

201112241 is a wasteful number, since it uses less digits than its factorization.

201112241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18282942.

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

The square root of 201112241 is about 14181.4047611652. The cubic root of 201112241 is about 585.8856150528.

Adding to 201112241 its reverse (142211102), we get a palindrome (343323343).

The spelling of 201112241 in words is "two hundred one million, one hundred twelve thousand, two hundred forty-one".