122222560109 has 8 divisors (see below), whose sum is σ = 131640965400. Its totient is φ = 112806536256.

The previous prime is 122222560063. The next prime is 122222560111. The reversal of 122222560109 is 901065222221.

It can be written as a sum of positive squares in 4 ways, for example, as 302500 + 122222257609 = 550^2 + 349603^2 .

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 122222560109 - 2⁸ = 122222559853 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 (122222560129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488042 + ... + 694715.

It is an arithmetic number, because the mean of its divisors is an integer number (16455120675).

Almost surely, 2^122222560109 is an apocalyptic number.

It is an amenable number.

122222560109 is a deficient number, since it is larger than the sum of its proper divisors (9418405291).

122222560109 is a wasteful number, since it uses less digits than its factorization.

122222560109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190719.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 122222560109 in words is "one hundred twenty-two billion, two hundred twenty-two million, five hundred sixty thousand, one hundred nine".