122411304121 has 4 divisors (see below), whose sum is σ = 122564895012. Its totient is φ = 122257713232.

The previous prime is 122411304109. The next prime is 122411304149. The reversal of 122411304121 is 121403114221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121403114221 = 31 ⋅3916229491.

It can be written as a sum of positive squares in 2 ways, for example, as 21716148496 + 100695155625 = 147364^2 + 317325^2 .

It is a cyclic number.

It is not a de Polignac number, because 122411304121 - 2¹¹ = 122411302073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122411304092 and 122411304101.

It is not an unprimeable number, because it can be changed into a prime (122411304221) 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 3 ways as a sum of consecutive naturals, for example, 76794250 + ... + 76795843.

It is an arithmetic number, because the mean of its divisors is an integer number (30641223753).

Almost surely, 2^122411304121 is an apocalyptic number.

It is an amenable number.

122411304121 is a deficient number, since it is larger than the sum of its proper divisors (153590891).

122411304121 is an equidigital number, since it uses as much as digits as its factorization.

122411304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153590890.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 122411304121 its reverse (121403114221), we get a palindrome (243814418342).

The spelling of 122411304121 in words is "one hundred twenty-two billion, four hundred eleven million, three hundred four thousand, one hundred twenty-one".