113321213111 has 4 divisors (see below), whose sum is σ = 113816065800. Its totient is φ = 112826360424.

The previous prime is 113321213077. The next prime is 113321213119. The reversal of 113321213111 is 111312123311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113321213111 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 (113321213119) 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, 247426001 + ... + 247426458.

It is an arithmetic number, because the mean of its divisors is an integer number (28454016450).

Almost surely, 2^113321213111 is an apocalyptic number.

113321213111 is a deficient number, since it is larger than the sum of its proper divisors (494852689).

113321213111 is an equidigital number, since it uses as much as digits as its factorization.

113321213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494852688.

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

Adding to 113321213111 its reverse (111312123311), we get a palindrome (224633336422).

The spelling of 113321213111 in words is "one hundred thirteen billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred eleven".