122224000422421 has 2 divisors, whose sum is σ = 122224000422422. Its totient is φ = 122224000422420.

The previous prime is 122224000422397. The next prime is 122224000422431. The reversal of 122224000422421 is 124224000422221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122163835200625 + 60165221796 = 11052775^2 + 245286^2 .

It is a cyclic number.

It is not a de Polignac number, because 122224000422421 - 2⁴¹ = 120024977166869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122224000422421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122224000422431) 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, 61112000211210 + 61112000211211.

It is an arithmetic number, because the mean of its divisors is an integer number (61112000211211).

Almost surely, 2^{122224000422421} is an apocalyptic number.

It is an amenable number.

122224000422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

122224000422421 is an equidigital number, since it uses as much as digits as its factorization.

122224000422421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 122224000422421 its reverse (124224000422221), we get a palindrome (246448000844642).

The spelling of 122224000422421 in words is "one hundred twenty-two trillion, two hundred twenty-four billion, four hundred twenty-two thousand, four hundred twenty-one".