23021101321321 has 2 divisors, whose sum is σ = 23021101321322. Its totient is φ = 23021101321320.

The previous prime is 23021101321297. The next prime is 23021101321327. The reversal of 23021101321321 is 12312310112032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20707550808025 + 2313550513296 = 4550555^2 + 1521036^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021101321321 - 2¹³ = 23021101313129 is a prime.

It is a super-2 number, since 2×23021101321321² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23021101321292 and 23021101321301.

It is not a weakly prime, because it can be changed into another prime (23021101321327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510550660660 + 11510550660661.

It is an arithmetic number, because the mean of its divisors is an integer number (11510550660661).

Almost surely, 2^{23021101321321} is an apocalyptic number.

It is an amenable number.

23021101321321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021101321321 is an equidigital number, since it uses as much as digits as its factorization.

23021101321321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23021101321321 its reverse (12312310112032), we get a palindrome (35333411433353).

The spelling of 23021101321321 in words is "twenty-three trillion, twenty-one billion, one hundred one million, three hundred twenty-one thousand, three hundred twenty-one".