122555225554201 has 24 divisors (see below), whose sum is σ = 142054104853440. Its totient is φ = 104837662521600.

The previous prime is 122555225554199. The next prime is 122555225554207. The reversal of 122555225554201 is 102455522555221.

It is a happy number.

It is not a de Polignac number, because 122555225554201 - 2¹ = 122555225554199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122555225554207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10754911 + ... + 18994171.

It is an arithmetic number, because the mean of its divisors is an integer number (5918921035560).

Almost surely, 2^{122555225554201} is an apocalyptic number.

122555225554201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122555225554201 is a deficient number, since it is larger than the sum of its proper divisors (19498879299239).

122555225554201 is a wasteful number, since it uses less digits than its factorization.

122555225554201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243985 (or 8243968 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 46.

The spelling of 122555225554201 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred twenty-five million, five hundred fifty-four thousand, two hundred one".