122560211121 has 4 divisors (see below), whose sum is σ = 163413614832. Its totient is φ = 81706807412.

The previous prime is 122560211101. The next prime is 122560211141. The reversal of 122560211121 is 121112065221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (122560211101) and next prime (122560211141).

It is a cyclic number.

It is not a de Polignac number, because 122560211121 - 2³¹ = 120412727473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122560211091 and 122560211100.

It is not an unprimeable number, because it can be changed into a prime (122560211101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20426701851 + ... + 20426701856.

It is an arithmetic number, because the mean of its divisors is an integer number (40853403708).

Almost surely, 2^122560211121 is an apocalyptic number.

It is an amenable number.

122560211121 is a deficient number, since it is larger than the sum of its proper divisors (40853403711).

122560211121 is an equidigital number, since it uses as much as digits as its factorization.

122560211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40853403710.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 122560211121 its reverse (121112065221), we get a palindrome (243672276342).

The spelling of 122560211121 in words is "one hundred twenty-two billion, five hundred sixty million, two hundred eleven thousand, one hundred twenty-one".