221022405053 has 2 divisors, whose sum is σ = 221022405054. Its totient is φ = 221022405052.

The previous prime is 221022405041. The next prime is 221022405143. The reversal of 221022405053 is 350504220122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201388230169 + 19634174884 = 448763^2 + 140122^2 .

It is a cyclic number.

It is not a de Polignac number, because 221022405053 - 2⁸ = 221022404797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221022705053) 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, 110511202526 + 110511202527.

It is an arithmetic number, because the mean of its divisors is an integer number (110511202527).

Almost surely, 2^221022405053 is an apocalyptic number.

It is an amenable number.

221022405053 is a deficient number, since it is larger than the sum of its proper divisors (1).

221022405053 is an equidigital number, since it uses as much as digits as its factorization.

221022405053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 221022405053 its reverse (350504220122), we get a palindrome (571526625175).

The spelling of 221022405053 in words is "two hundred twenty-one billion, twenty-two million, four hundred five thousand, fifty-three".