122440222321 has 16 divisors (see below), whose sum is σ = 132568611840. Its totient is φ = 112751400960.

The previous prime is 122440222309. The next prime is 122440222343. The reversal of 122440222321 is 123222044221.

It is a cyclic number.

It is not a de Polignac number, because 122440222321 - 2³¹ = 120292738673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122440222361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307276 + ... + 582493.

It is an arithmetic number, because the mean of its divisors is an integer number (8285538240).

Almost surely, 2^122440222321 is an apocalyptic number.

It is an amenable number.

122440222321 is a deficient number, since it is larger than the sum of its proper divisors (10128389519).

122440222321 is a wasteful number, since it uses less digits than its factorization.

122440222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890016.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 122440222321 its reverse (123222044221), we get a palindrome (245662266542).

The spelling of 122440222321 in words is "one hundred twenty-two billion, four hundred forty million, two hundred twenty-two thousand, three hundred twenty-one".