113021121312223 has 4 divisors (see below), whose sum is σ = 113022962018568. Its totient is φ = 113019280605880.

The previous prime is 113021121312199. The next prime is 113021121312233. The reversal of 113021121312223 is 322213121120311.

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 113021121312223 - 2¹³ = 113021121304031 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 (113021121312233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920261068 + ... + 920383873.

It is an arithmetic number, because the mean of its divisors is an integer number (28255740504642).

Almost surely, 2^{113021121312223} is an apocalyptic number.

113021121312223 is a deficient number, since it is larger than the sum of its proper divisors (1840706345).

113021121312223 is an equidigital number, since it uses as much as digits as its factorization.

113021121312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840706344.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113021121312223 its reverse (322213121120311), we get a palindrome (435234242432534).

The spelling of 113021121312223 in words is "one hundred thirteen trillion, twenty-one billion, one hundred twenty-one million, three hundred twelve thousand, two hundred twenty-three".