23121322221113 has 8 divisors (see below), whose sum is σ = 23513304292800. Its totient is φ = 22729343324688.

The previous prime is 23121322221097. The next prime is 23121322221149. The reversal of 23121322221113 is 31112222312132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23121322221113 - 2⁴ = 23121322221097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121322221713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17396495 + ... + 18678347.

It is an arithmetic number, because the mean of its divisors is an integer number (2939163036600).

Almost surely, 2^{23121322221113} is an apocalyptic number.

It is an amenable number.

23121322221113 is a deficient number, since it is larger than the sum of its proper divisors (391982071687).

23121322221113 is a wasteful number, since it uses less digits than its factorization.

23121322221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587631.

The product of its digits is 1728, while the sum is 26.

Adding to 23121322221113 its reverse (31112222312132), we get a palindrome (54233544533245).

The spelling of 23121322221113 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred thirteen".