122143323212101 has 2 divisors, whose sum is σ = 122143323212102. Its totient is φ = 122143323212100.

The previous prime is 122143323212063. The next prime is 122143323212149. The reversal of 122143323212101 is 101212323341221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112722260321476 + 9421062890625 = 10617074^2 + 3069375^2 .

It is an emirp because it is prime and its reverse (101212323341221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122143323212101 - 2²⁷ = 122143188994373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122143323212101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122143323212501) 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, 61071661606050 + 61071661606051.

It is an arithmetic number, because the mean of its divisors is an integer number (61071661606051).

Almost surely, 2^{122143323212101} is an apocalyptic number.

It is an amenable number.

122143323212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

122143323212101 is an equidigital number, since it uses as much as digits as its factorization.

122143323212101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 122143323212101 its reverse (101212323341221), we get a palindrome (223355646553322).

The spelling of 122143323212101 in words is "one hundred twenty-two trillion, one hundred forty-three billion, three hundred twenty-three million, two hundred twelve thousand, one hundred one".