220021225266943 has 2 divisors, whose sum is σ = 220021225266944. Its totient is φ = 220021225266942.

The previous prime is 220021225266911. The next prime is 220021225266979. The reversal of 220021225266943 is 349662522120022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220021225266943 - 2⁵ = 220021225266911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220021225266893 and 220021225266902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220021225266043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010612633471 + 110010612633472.

It is an arithmetic number, because the mean of its divisors is an integer number (110010612633472).

Almost surely, 2^{220021225266943} is an apocalyptic number.

220021225266943 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021225266943 is an equidigital number, since it uses as much as digits as its factorization.

220021225266943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

Adding to 220021225266943 its reverse (349662522120022), we get a palindrome (569683747386965).

The spelling of 220021225266943 in words is "two hundred twenty trillion, twenty-one billion, two hundred twenty-five million, two hundred sixty-six thousand, nine hundred forty-three".