122121110143 has 2 divisors, whose sum is σ = 122121110144. Its totient is φ = 122121110142.

The previous prime is 122121110107. The next prime is 122121110159. The reversal of 122121110143 is 341011121221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122121110143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122121110143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122121110743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060555071 + 61060555072.

It is an arithmetic number, because the mean of its divisors is an integer number (61060555072).

Almost surely, 2^122121110143 is an apocalyptic number.

122121110143 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121110143 is an equidigital number, since it uses as much as digits as its factorization.

122121110143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 122121110143 its reverse (341011121221), we get a palindrome (463132231364).

The spelling of 122121110143 in words is "one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, one hundred forty-three".