122335213505221 has 2 divisors, whose sum is σ = 122335213505222. Its totient is φ = 122335213505220.

The previous prime is 122335213505213. The next prime is 122335213505251. The reversal of 122335213505221 is 122505312533221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119735898912100 + 2599314593121 = 10942390^2 + 1612239^2 .

It is a cyclic number.

It is not a de Polignac number, because 122335213505221 - 2³ = 122335213505213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122335213505251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61167606752610 + 61167606752611.

It is an arithmetic number, because the mean of its divisors is an integer number (61167606752611).

Almost surely, 2^{122335213505221} is an apocalyptic number.

It is an amenable number.

122335213505221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122335213505221 is an equidigital number, since it uses as much as digits as its factorization.

122335213505221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 122335213505221 in words is "one hundred twenty-two trillion, three hundred thirty-five billion, two hundred thirteen million, five hundred five thousand, two hundred twenty-one".