201216113 has 8 divisors (see below), whose sum is σ = 230776128. Its totient is φ = 171859824.

The previous prime is 201216109. The next prime is 201216149. The reversal of 201216113 is 311612102.

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 201216113 - 2² = 201216109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201216091 and 201216100.

It is not an unprimeable number, because it can be changed into a prime (201216163) 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, 48806 + ... + 52767.

It is an arithmetic number, because the mean of its divisors is an integer number (28847016).

Almost surely, 2^201216113 is an apocalyptic number.

It is an amenable number.

201216113 is a deficient number, since it is larger than the sum of its proper divisors (29560015).

201216113 is a wasteful number, since it uses less digits than its factorization.

201216113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101863.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 201216113 is about 14185.0665490156. The cubic root of 201216113 is about 585.9864652645.

Adding to 201216113 its reverse (311612102), we get a palindrome (512828215).

The spelling of 201216113 in words is "two hundred one million, two hundred sixteen thousand, one hundred thirteen".