23120102313221 has 4 divisors (see below), whose sum is σ = 23120112033600. Its totient is φ = 23120092592844.

The previous prime is 23120102313199. The next prime is 23120102313227. The reversal of 23120102313221 is 12231320102132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120102313221 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 (23120102313227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368020 + ... + 6936258.

It is an arithmetic number, because the mean of its divisors is an integer number (5780028008400).

Almost surely, 2^{23120102313221} is an apocalyptic number.

It is an amenable number.

23120102313221 is a deficient number, since it is larger than the sum of its proper divisors (9720379).

23120102313221 is an equidigital number, since it uses as much as digits as its factorization.

23120102313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720378.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23120102313221 its reverse (12231320102132), we get a palindrome (35351422415353).

The spelling of 23120102313221 in words is "twenty-three trillion, one hundred twenty billion, one hundred two million, three hundred thirteen thousand, two hundred twenty-one".