121340331325 has 6 divisors (see below), whose sum is σ = 150462010874. Its totient is φ = 97072265040.

The previous prime is 121340331323. The next prime is 121340331361. The reversal of 121340331325 is 523133043121.

It can be written as a sum of positive squares in 3 ways, for example, as 582691321 + 120757640004 = 24139^2 + 347502^2 .

It is not a de Polignac number, because 121340331325 - 2¹ = 121340331323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121340331293 and 121340331302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340331323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2426806602 + ... + 2426806651.

Almost surely, 2^121340331325 is an apocalyptic number.

It is an amenable number.

121340331325 is a deficient number, since it is larger than the sum of its proper divisors (29121679549).

121340331325 is an equidigital number, since it uses as much as digits as its factorization.

121340331325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853613263 (or 4853613258 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 121340331325 its reverse (523133043121), we get a palindrome (644473374446).

The spelling of 121340331325 in words is "one hundred twenty-one billion, three hundred forty million, three hundred thirty-one thousand, three hundred twenty-five".