121411142143 has 2 divisors, whose sum is σ = 121411142144. Its totient is φ = 121411142142.

The previous prime is 121411142141. The next prime is 121411142213. The reversal of 121411142143 is 341241114121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121411142143 - 2¹ = 121411142141 is a prime.

Together with 121411142141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121411142141) 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 as a sum of consecutive naturals, namely, 60705571071 + 60705571072.

It is an arithmetic number, because the mean of its divisors is an integer number (60705571072).

Almost surely, 2^121411142143 is an apocalyptic number.

121411142143 is a deficient number, since it is larger than the sum of its proper divisors (1).

121411142143 is an equidigital number, since it uses as much as digits as its factorization.

121411142143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

Adding to 121411142143 its reverse (341241114121), we get a palindrome (462652256264).

The spelling of 121411142143 in words is "one hundred twenty-one billion, four hundred eleven million, one hundred forty-two thousand, one hundred forty-three".