122022102120221 has 2 divisors, whose sum is σ = 122022102120222. Its totient is φ = 122022102120220.

The previous prime is 122022102120209. The next prime is 122022102120257. The reversal of 122022102120221 is 122021201220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105804881822500 + 16217220297721 = 10286150^2 + 4027061^2 .

It is a cyclic number.

It is not a de Polignac number, because 122022102120221 - 2⁶ = 122022102120157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122022102120193 and 122022102120202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122022102120271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011051060110 + 61011051060111.

It is an arithmetic number, because the mean of its divisors is an integer number (61011051060111).

Almost surely, 2^{122022102120221} is an apocalyptic number.

It is an amenable number.

122022102120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122022102120221 is an equidigital number, since it uses as much as digits as its factorization.

122022102120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122022102120221 its reverse (122021201220221), we get a palindrome (244043303340442).

The spelling of 122022102120221 in words is "one hundred twenty-two trillion, twenty-two billion, one hundred two million, one hundred twenty thousand, two hundred twenty-one".