122313144210421 has 2 divisors, whose sum is σ = 122313144210422. Its totient is φ = 122313144210420.

The previous prime is 122313144210403. The next prime is 122313144210443. The reversal of 122313144210421 is 124012441313221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79439590326321 + 42873553884100 = 8912889^2 + 6547790^2 .

It is a cyclic number.

It is not a de Polignac number, because 122313144210421 - 2¹³ = 122313144202229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122313144210401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156572105210 + 61156572105211.

It is an arithmetic number, because the mean of its divisors is an integer number (61156572105211).

Almost surely, 2^{122313144210421} is an apocalyptic number.

It is an amenable number.

122313144210421 is a deficient number, since it is larger than the sum of its proper divisors (1).

122313144210421 is an equidigital number, since it uses as much as digits as its factorization.

122313144210421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 122313144210421 its reverse (124012441313221), we get a palindrome (246325585523642).

The spelling of 122313144210421 in words is "one hundred twenty-two trillion, three hundred thirteen billion, one hundred forty-four million, two hundred ten thousand, four hundred twenty-one".