23221131113 has 4 divisors (see below), whose sum is σ = 24587080020. Its totient is φ = 21855182208.

The previous prime is 23221131107. The next prime is 23221131121. The reversal of 23221131113 is 31113112232.

It is a happy number.

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 21175197289 + 2045933824 = 145517^2 + 45232^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221131113 - 2¹⁶ = 23221065577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23221131163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682974428 + ... + 682974461.

It is an arithmetic number, because the mean of its divisors is an integer number (6146770005).

Almost surely, 2^23221131113 is an apocalyptic number.

It is an amenable number.

23221131113 is a deficient number, since it is larger than the sum of its proper divisors (1365948907).

23221131113 is a wasteful number, since it uses less digits than its factorization.

23221131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365948906.

The product of its digits is 216, while the sum is 20.

Adding to 23221131113 its reverse (31113112232), we get a palindrome (54334243345).

The spelling of 23221131113 in words is "twenty-three billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred thirteen".