121441411431 has 8 divisors (see below), whose sum is σ = 179913202160. Its totient is φ = 80960940936.

The previous prime is 121441411417. The next prime is 121441411439. The reversal of 121441411431 is 134114144121.

121441411431 is a `hidden beast` number, since 1 + 214 + 4 + 1 + 4 + 11 + 431 = 666.

It is not a de Polignac number, because 121441411431 - 2²¹ = 121439314279 is a prime.

It is a super-2 number, since 2×121441411431² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4497830053 = 121441411431 / (1 + 2 + 1 + 4 + 4 + 1 + 4 + 1 + 1 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121441411395 and 121441411404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121441411439) 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 7 ways as a sum of consecutive naturals, for example, 2248915000 + ... + 2248915053.

It is an arithmetic number, because the mean of its divisors is an integer number (22489150270).

Almost surely, 2^121441411431 is an apocalyptic number.

121441411431 is a deficient number, since it is larger than the sum of its proper divisors (58471790729).

121441411431 is an equidigital number, since it uses as much as digits as its factorization.

121441411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497830062 (or 4497830056 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 121441411431 its reverse (134114144121), we get a palindrome (255555555552).

The spelling of 121441411431 in words is "one hundred twenty-one billion, four hundred forty-one million, four hundred eleven thousand, four hundred thirty-one".