220220200101001 has 2 divisors, whose sum is σ = 220220200101002. Its totient is φ = 220220200101000.

The previous prime is 220220200100993. The next prime is 220220200101017. The reversal of 220220200101001 is 100101002022022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194788804968976 + 25431395132025 = 13956676^2 + 5042955^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220200101001 - 2³ = 220220200100993 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220200101071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110100050500 + 110110100050501.

It is an arithmetic number, because the mean of its divisors is an integer number (110110100050501).

Almost surely, 2^{220220200101001} is an apocalyptic number.

It is an amenable number.

220220200101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220200101001 is an equidigital number, since it uses as much as digits as its factorization.

220220200101001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220220200101001 its reverse (100101002022022), we get a palindrome (320321202123023).

The spelling of 220220200101001 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred million, one hundred one thousand, one".