122313234121 has 4 divisors (see below), whose sum is σ = 131721944452. Its totient is φ = 112904523792.

The previous prime is 122313234067. The next prime is 122313234191. The reversal of 122313234121 is 121432313221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121432313221 = 1777 ⋅68335573.

It can be written as a sum of positive squares in 2 ways, for example, as 26312408521 + 96000825600 = 162211^2 + 309840^2 .

It is a cyclic number.

It is not a de Polignac number, because 122313234121 - 2⁷ = 122313233993 is a prime.

It is a super-2 number, since 2×122313234121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122313234191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4704355146 + ... + 4704355171.

It is an arithmetic number, because the mean of its divisors is an integer number (32930486113).

Almost surely, 2^122313234121 is an apocalyptic number.

It is an amenable number.

122313234121 is a deficient number, since it is larger than the sum of its proper divisors (9408710331).

122313234121 is an equidigital number, since it uses as much as digits as its factorization.

122313234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408710330.

The product of its digits is 1728, while the sum is 25.

Adding to 122313234121 its reverse (121432313221), we get a palindrome (243745547342).

The spelling of 122313234121 in words is "one hundred twenty-two billion, three hundred thirteen million, two hundred thirty-four thousand, one hundred twenty-one".