121255113325 has 24 divisors (see below), whose sum is σ = 163503577512. Its totient is φ = 88830443520.

The previous prime is 121255113313. The next prime is 121255113361. The reversal of 121255113325 is 523311552121.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 32658995524 + 88596117801 = 180718^2 + 297651^2 .

It is not a de Polignac number, because 121255113325 - 2⁹ = 121255112813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3839764 + ... + 3871213.

It is an arithmetic number, because the mean of its divisors is an integer number (6812649063).

Almost surely, 2^121255113325 is an apocalyptic number.

It is an amenable number.

121255113325 is a deficient number, since it is larger than the sum of its proper divisors (42248464187).

121255113325 is a wasteful number, since it uses less digits than its factorization.

121255113325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711041 (or 7711036 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

Adding to 121255113325 its reverse (523311552121), we get a palindrome (644566665446).

The spelling of 121255113325 in words is "one hundred twenty-one billion, two hundred fifty-five million, one hundred thirteen thousand, three hundred twenty-five".