122555344541221 has 8 divisors (see below), whose sum is σ = 123521030005760. Its totient is φ = 121589669744928.

The previous prime is 122555344541159. The next prime is 122555344541249. The reversal of 122555344541221 is 122145443555221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122555344541221 - 2¹⁵ = 122555344508453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555344541821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21240145 + ... + 26386633.

It is an arithmetic number, because the mean of its divisors is an integer number (15440128750720).

Almost surely, 2^{122555344541221} is an apocalyptic number.

It is an amenable number.

122555344541221 is a deficient number, since it is larger than the sum of its proper divisors (965685464539).

122555344541221 is a wasteful number, since it uses less digits than its factorization.

122555344541221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334123.

The product of its digits is 1920000, while the sum is 46.

The spelling of 122555344541221 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred forty-four million, five hundred forty-one thousand, two hundred twenty-one".