221120220100033 has 2 divisors, whose sum is σ = 221120220100034. Its totient is φ = 221120220100032.

The previous prime is 221120220100019. The next prime is 221120220100147. The reversal of 221120220100033 is 330001022021122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210336660928144 + 10783559171889 = 14502988^2 + 3283833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221120220100033 is a prime.

It is not a weakly prime, because it can be changed into another prime (221120220100333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560110050016 + 110560110050017.

It is an arithmetic number, because the mean of its divisors is an integer number (110560110050017).

Almost surely, 2^{221120220100033} is an apocalyptic number.

It is an amenable number.

221120220100033 is a deficient number, since it is larger than the sum of its proper divisors (1).

221120220100033 is an equidigital number, since it uses as much as digits as its factorization.

221120220100033 is an odious number, because the sum of its binary digits is odd.

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

Adding to 221120220100033 its reverse (330001022021122), we get a palindrome (551121242121155).

The spelling of 221120220100033 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred twenty million, one hundred thousand, thirty-three".