220321332301601 has 2 divisors, whose sum is σ = 220321332301602. Its totient is φ = 220321332301600.

The previous prime is 220321332301549. The next prime is 220321332301633. The reversal of 220321332301601 is 106103233123022.

It is a happy number.

220321332301601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142808451162001 + 77512881139600 = 11950249^2 + 8804140^2 .

It is a cyclic number.

It is not a de Polignac number, because 220321332301601 - 2³⁰ = 220320258559777 is a prime.

It is not a weakly prime, because it can be changed into another prime (220321332301661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160666150800 + 110160666150801.

It is an arithmetic number, because the mean of its divisors is an integer number (110160666150801).

Almost surely, 2^{220321332301601} is an apocalyptic number.

It is an amenable number.

220321332301601 is a deficient number, since it is larger than the sum of its proper divisors (1).

220321332301601 is an equidigital number, since it uses as much as digits as its factorization.

220321332301601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 220321332301601 its reverse (106103233123022), we get a palindrome (326424565424623).

The spelling of 220321332301601 in words is "two hundred twenty trillion, three hundred twenty-one billion, three hundred thirty-two million, three hundred one thousand, six hundred one".