121441324131 has 6 divisors (see below), whose sum is σ = 175415245980. Its totient is φ = 80960882748.

The previous prime is 121441324063. The next prime is 121441324157. The reversal of 121441324131 is 131423144121.

It is a happy number.

121441324131 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 413 + 241 + 3 + 1 = 666.

It is not a de Polignac number, because 121441324131 - 2²⁵ = 121407769699 is a prime.

It is a super-2 number, since 2×121441324131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121441324095 and 121441324104.

It is not an unprimeable number, because it can be changed into a prime (121441324231) 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 5 ways as a sum of consecutive naturals, for example, 6746740221 + ... + 6746740238.

It is an arithmetic number, because the mean of its divisors is an integer number (29235874330).

Almost surely, 2^121441324131 is an apocalyptic number.

121441324131 is a deficient number, since it is larger than the sum of its proper divisors (53973921849).

121441324131 is a wasteful number, since it uses less digits than its factorization.

121441324131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493480465 (or 13493480462 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 121441324131 its reverse (131423144121), we get a palindrome (252864468252).

The spelling of 121441324131 in words is "one hundred twenty-one billion, four hundred forty-one million, three hundred twenty-four thousand, one hundred thirty-one".