122333121121 has 4 divisors (see below), whose sum is σ = 123544340244. Its totient is φ = 121121902000.

The previous prime is 122333121091. The next prime is 122333121151. The reversal of 122333121121 is 121121333221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122333121091) and next prime (122333121151).

It can be written as a sum of positive squares in 2 ways, for example, as 97381443600 + 24951677521 = 312060^2 + 157961^2 .

It is a cyclic number.

It is not a de Polignac number, because 122333121121 - 2¹⁹ = 122332596833 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122333121092 and 122333121101.

It is not an unprimeable number, because it can be changed into a prime (122333121151) 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, 605609410 + ... + 605609611.

It is an arithmetic number, because the mean of its divisors is an integer number (30886085061).

Almost surely, 2^122333121121 is an apocalyptic number.

It is an amenable number.

122333121121 is a deficient number, since it is larger than the sum of its proper divisors (1211219123).

122333121121 is a wasteful number, since it uses less digits than its factorization.

122333121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211219122.

The product of its digits is 432, while the sum is 22.

Adding to 122333121121 its reverse (121121333221), we get a palindrome (243454454342).

The spelling of 122333121121 in words is "one hundred twenty-two billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred twenty-one".