23100220210321 has 2 divisors, whose sum is σ = 23100220210322. Its totient is φ = 23100220210320.

The previous prime is 23100220210297. The next prime is 23100220210343. The reversal of 23100220210321 is 12301202200132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13822780410000 + 9277439800321 = 3717900^2 + 3045889^2 .

It is a cyclic number.

It is not a de Polignac number, because 23100220210321 - 2²¹ = 23100218113169 is a prime.

It is not a weakly prime, because it can be changed into another prime (23100220210391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550110105160 + 11550110105161.

It is an arithmetic number, because the mean of its divisors is an integer number (11550110105161).

Almost surely, 2^{23100220210321} is an apocalyptic number.

It is an amenable number.

23100220210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23100220210321 is an equidigital number, since it uses as much as digits as its factorization.

23100220210321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23100220210321 its reverse (12301202200132), we get a palindrome (35401422410453).

The spelling of 23100220210321 in words is "twenty-three trillion, one hundred billion, two hundred twenty million, two hundred ten thousand, three hundred twenty-one".