201011113330231 has 4 divisors (see below), whose sum is σ = 201100970781432. Its totient is φ = 200921255879032.

The previous prime is 201011113330177. The next prime is 201011113330249. The reversal of 201011113330231 is 132033311110102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201011113330231 - 2¹⁷ = 201011113199159 is a prime.

It is a super-2 number, since 2×201011113330231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011113330031) 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, 44928722245 + ... + 44928726718.

It is an arithmetic number, because the mean of its divisors is an integer number (50275242695358).

Almost surely, 2^{201011113330231} is an apocalyptic number.

201011113330231 is a deficient number, since it is larger than the sum of its proper divisors (89857451201).

201011113330231 is an equidigital number, since it uses as much as digits as its factorization.

201011113330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89857451200.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 201011113330231 its reverse (132033311110102), we get a palindrome (333044424440333).

The spelling of 201011113330231 in words is "two hundred one trillion, eleven billion, one hundred thirteen million, three hundred thirty thousand, two hundred thirty-one".