122301222122221 has 2 divisors, whose sum is σ = 122301222122222. Its totient is φ = 122301222122220.

The previous prime is 122301222122201. The next prime is 122301222122273. The reversal of 122301222122221 is 122221222103221.

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., 78357726960100 + 43943495162121 = 8851990^2 + 6628989^2 .

It is a cyclic number.

It is not a de Polignac number, because 122301222122221 - 2²³ = 122301213733613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122301222122201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61150611061110 + 61150611061111.

It is an arithmetic number, because the mean of its divisors is an integer number (61150611061111).

Almost surely, 2^{122301222122221} is an apocalyptic number.

It is an amenable number.

122301222122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122301222122221 is an equidigital number, since it uses as much as digits as its factorization.

122301222122221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 122301222122221 its reverse (122221222103221), we get a palindrome (244522444225442).

The spelling of 122301222122221 in words is "one hundred twenty-two trillion, three hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".