110321133320221 has 2 divisors, whose sum is σ = 110321133320222. Its totient is φ = 110321133320220.

The previous prime is 110321133320197. The next prime is 110321133320249. The reversal of 110321133320221 is 122023331123011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79385623039321 + 30935510280900 = 8909861^2 + 5561970^2 .

It is an emirp because it is prime and its reverse (122023331123011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110321133320221 - 2⁷ = 110321133320093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110321133320921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55160566660110 + 55160566660111.

It is an arithmetic number, because the mean of its divisors is an integer number (55160566660111).

Almost surely, 2^{110321133320221} is an apocalyptic number.

It is an amenable number.

110321133320221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110321133320221 is an equidigital number, since it uses as much as digits as its factorization.

110321133320221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 110321133320221 its reverse (122023331123011), we get a palindrome (232344464443232).

The spelling of 110321133320221 in words is "one hundred ten trillion, three hundred twenty-one billion, one hundred thirty-three million, three hundred twenty thousand, two hundred twenty-one".