121141320341 has 4 divisors (see below), whose sum is σ = 121242864972. Its totient is φ = 121039775712.

The previous prime is 121141320319. The next prime is 121141320401. The reversal of 121141320341 is 143023141121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143023141121 = 7 ⋅20431877303.

It can be written as a sum of positive squares in 2 ways, for example, as 43127244241 + 78014076100 = 207671^2 + 279310^2 .

It is a cyclic number.

It is not a de Polignac number, because 121141320341 - 2³⁰ = 120067578517 is a prime.

It is a super-3 number, since 3×121141320341³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141320841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50770526 + ... + 50772911.

It is an arithmetic number, because the mean of its divisors is an integer number (30310716243).

Almost surely, 2^121141320341 is an apocalyptic number.

It is an amenable number.

121141320341 is a deficient number, since it is larger than the sum of its proper divisors (101544631).

121141320341 is a wasteful number, since it uses less digits than its factorization.

121141320341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101544630.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121141320341 its reverse (143023141121), we get a palindrome (264164461462).

The spelling of 121141320341 in words is "one hundred twenty-one billion, one hundred forty-one million, three hundred twenty thousand, three hundred forty-one".