220202122001201 has 2 divisors, whose sum is σ = 220202122001202. Its totient is φ = 220202122001200.

The previous prime is 220202122001153. The next prime is 220202122001231. The reversal of 220202122001201 is 102100221202022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190693977021601 + 29508144979600 = 13809199^2 + 5432140^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202122001201 - 2⁴⁶ = 149833377823537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220202122001201.

It is not a weakly prime, because it can be changed into another prime (220202122001231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101061000600 + 110101061000601.

It is an arithmetic number, because the mean of its divisors is an integer number (110101061000601).

Almost surely, 2^{220202122001201} is an apocalyptic number.

It is an amenable number.

220202122001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202122001201 is an equidigital number, since it uses as much as digits as its factorization.

220202122001201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220202122001201 its reverse (102100221202022), we get a palindrome (322302343203223).

The spelling of 220202122001201 in words is "two hundred twenty trillion, two hundred two billion, one hundred twenty-two million, one thousand, two hundred one".