122132231121121 has 4 divisors (see below), whose sum is σ = 131527018130452. Its totient is φ = 112737444111792.

The previous prime is 122132231121071. The next prime is 122132231121161. The reversal of 122132231121121 is 121121132231221.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39041002958400 + 83091228162721 = 6248280^2 + 9115439^2 .

It is a cyclic number.

It is not a de Polignac number, because 122132231121121 - 2⁷ = 122132231120993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122132231121161) 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 3 ways as a sum of consecutive naturals, for example, 4697393504646 + ... + 4697393504671.

It is an arithmetic number, because the mean of its divisors is an integer number (32881754532613).

Almost surely, 2^{122132231121121} is an apocalyptic number.

It is an amenable number.

122132231121121 is a deficient number, since it is larger than the sum of its proper divisors (9394787009331).

122132231121121 is an equidigital number, since it uses as much as digits as its factorization.

122132231121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9394787009330.

The product of its digits is 576, while the sum is 25.

Adding to 122132231121121 its reverse (121121132231221), we get a palindrome (243253363352342).

The spelling of 122132231121121 in words is "one hundred twenty-two trillion, one hundred thirty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-one".