201113113211 has 4 divisors (see below), whose sum is σ = 207600633024. Its totient is φ = 194625593400.

The previous prime is 201113113183. The next prime is 201113113259. The reversal of 201113113211 is 112311311102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112311311102 = 2 ⋅56155655551.

It is a cyclic number.

It is not a de Polignac number, because 201113113211 - 2³⁰ = 200039371387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201113113211.

It is not an unprimeable number, because it can be changed into a prime (201113113291) 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, 3243759860 + ... + 3243759921.

It is an arithmetic number, because the mean of its divisors is an integer number (51900158256).

Almost surely, 2^201113113211 is an apocalyptic number.

201113113211 is a deficient number, since it is larger than the sum of its proper divisors (6487519813).

201113113211 is an equidigital number, since it uses as much as digits as its factorization.

201113113211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487519812.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 201113113211 its reverse (112311311102), we get a palindrome (313424424313).

The spelling of 201113113211 in words is "two hundred one billion, one hundred thirteen million, one hundred thirteen thousand, two hundred eleven".