122021445563 has 2 divisors, whose sum is σ = 122021445564. Its totient is φ = 122021445562.

The previous prime is 122021445509. The next prime is 122021445577. The reversal of 122021445563 is 365544120221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122021445563 - 2⁸ = 122021445307 is a prime.

It is not a weakly prime, because it can be changed into another prime (122021442563) 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, 61010722781 + 61010722782.

It is an arithmetic number, because the mean of its divisors is an integer number (61010722782).

Almost surely, 2^122021445563 is an apocalyptic number.

122021445563 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021445563 is an equidigital number, since it uses as much as digits as its factorization.

122021445563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 122021445563 its reverse (365544120221), we get a palindrome (487565565784).

The spelling of 122021445563 in words is "one hundred twenty-two billion, twenty-one million, four hundred forty-five thousand, five hundred sixty-three".