113203232011 has 4 divisors (see below), whose sum is σ = 113339786800. Its totient is φ = 113066677224.

The previous prime is 113203231997. The next prime is 113203232059. The reversal of 113203232011 is 110232302311.

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 113203232011 - 2¹¹ = 113203229963 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 113203232011.

It is not an unprimeable number, because it can be changed into a prime (113203232711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68276151 + ... + 68277808.

It is an arithmetic number, because the mean of its divisors is an integer number (28334946700).

Almost surely, 2^113203232011 is an apocalyptic number.

113203232011 is a deficient number, since it is larger than the sum of its proper divisors (136554789).

113203232011 is an equidigital number, since it uses as much as digits as its factorization.

113203232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136554788.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113203232011 its reverse (110232302311), we get a palindrome (223435534322).

The spelling of 113203232011 in words is "one hundred thirteen billion, two hundred three million, two hundred thirty-two thousand, eleven".