122020124111 has 2 divisors, whose sum is σ = 122020124112. Its totient is φ = 122020124110.

The previous prime is 122020124071. The next prime is 122020124117. The reversal of 122020124111 is 111421020221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122020124111 - 2¹⁰ = 122020123087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122020124111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122020124117) 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, 61010062055 + 61010062056.

It is an arithmetic number, because the mean of its divisors is an integer number (61010062056).

Almost surely, 2^122020124111 is an apocalyptic number.

122020124111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020124111 is an equidigital number, since it uses as much as digits as its factorization.

122020124111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122020124111 its reverse (111421020221), we get a palindrome (233441144332).

The spelling of 122020124111 in words is "one hundred twenty-two billion, twenty million, one hundred twenty-four thousand, one hundred eleven".