201112320113 has 4 divisors (see below), whose sum is σ = 202957387380. Its totient is φ = 199267252848.

The previous prime is 201112320077. The next prime is 201112320131. The reversal of 201112320113 is 311023211102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82925569024 + 118186751089 = 287968^2 + 343783^2 .

It is a cyclic number.

It is not a de Polignac number, because 201112320113 - 2⁶ = 201112320049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201112320091 and 201112320100.

It is not an unprimeable number, because it can be changed into a prime (201112320163) 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, 922533470 + ... + 922533687.

It is an arithmetic number, because the mean of its divisors is an integer number (50739346845).

Almost surely, 2^201112320113 is an apocalyptic number.

It is an amenable number.

201112320113 is a deficient number, since it is larger than the sum of its proper divisors (1845067267).

201112320113 is a wasteful number, since it uses less digits than its factorization.

201112320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845067266.

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

Adding to 201112320113 its reverse (311023211102), we get a palindrome (512135531215).

The spelling of 201112320113 in words is "two hundred one billion, one hundred twelve million, three hundred twenty thousand, one hundred thirteen".