122420222201 has 2 divisors, whose sum is σ = 122420222202. Its totient is φ = 122420222200.

The previous prime is 122420222179. The next prime is 122420222279. The reversal of 122420222201 is 102222024221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113366890000 + 9053332201 = 336700^2 + 95149^2 .

It is an emirp because it is prime and its reverse (102222024221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122420222201 is a prime.

It is not a weakly prime, because it can be changed into another prime (122420222501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61210111100 + 61210111101.

It is an arithmetic number, because the mean of its divisors is an integer number (61210111101).

Almost surely, 2^122420222201 is an apocalyptic number.

It is an amenable number.

122420222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122420222201 is an equidigital number, since it uses as much as digits as its factorization.

122420222201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122420222201 its reverse (102222024221), we get a palindrome (224642246422).

The spelling of 122420222201 in words is "one hundred twenty-two billion, four hundred twenty million, two hundred twenty-two thousand, two hundred one".