20020011122201 has 2 divisors, whose sum is σ = 20020011122202. Its totient is φ = 20020011122200.

The previous prime is 20020011122149. The next prime is 20020011122257. The reversal of 20020011122201 is 10222111002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10485971622025 + 9534039500176 = 3238205^2 + 3087724^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020011122201 - 2¹⁰ = 20020011121177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20020011125201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010005561100 + 10010005561101.

It is an arithmetic number, because the mean of its divisors is an integer number (10010005561101).

Almost surely, 2^{20020011122201} is an apocalyptic number.

It is an amenable number.

20020011122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020011122201 is an equidigital number, since it uses as much as digits as its factorization.

20020011122201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020011122201 its reverse (10222111002002), we get a palindrome (30242122124203).

The spelling of 20020011122201 in words is "twenty trillion, twenty billion, eleven million, one hundred twenty-two thousand, two hundred one".