113233211111 has 4 divisors (see below), whose sum is σ = 113249631000. Its totient is φ = 113216791224.

The previous prime is 113233211107. The next prime is 113233211149. The reversal of 113233211111 is 111112332311.

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 113233211111 - 2² = 113233211107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113233211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8199596 + ... + 8213393.

It is an arithmetic number, because the mean of its divisors is an integer number (28312407750).

Almost surely, 2^113233211111 is an apocalyptic number.

113233211111 is a deficient number, since it is larger than the sum of its proper divisors (16419889).

113233211111 is an equidigital number, since it uses as much as digits as its factorization.

113233211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16419888.

The product of its digits is 108, while the sum is 20.

Adding to 113233211111 its reverse (111112332311), we get a palindrome (224345543422).

The spelling of 113233211111 in words is "one hundred thirteen billion, two hundred thirty-three million, two hundred eleven thousand, one hundred eleven".