220202220001 has 2 divisors, whose sum is σ = 220202220002. Its totient is φ = 220202220000.

The previous prime is 220202219969. The next prime is 220202220037. The reversal of 220202220001 is 100022202022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181306491601 + 38895728400 = 425801^2 + 197220^2 .

It is a cyclic number.

It is not a de Polignac number, because 220202220001 - 2⁵ = 220202219969 is a prime.

It is not a weakly prime, because it can be changed into another prime (220202220071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110101110000 + 110101110001.

It is an arithmetic number, because the mean of its divisors is an integer number (110101110001).

Almost surely, 2^220202220001 is an apocalyptic number.

It is an amenable number.

220202220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220202220001 is an equidigital number, since it uses as much as digits as its factorization.

220202220001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220202220001 its reverse (100022202022), we get a palindrome (320224422023).

The spelling of 220202220001 in words is "two hundred twenty billion, two hundred two million, two hundred twenty thousand, one".