220200022001 has 2 divisors, whose sum is σ = 220200022002. Its totient is φ = 220200022000.

The previous prime is 220200021971. The next prime is 220200022043. The reversal of 220200022001 is 100220002022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206185013776 + 14015008225 = 454076^2 + 118385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220200022001 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 (220200028001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100011000 + 110100011001.

It is an arithmetic number, because the mean of its divisors is an integer number (110100011001).

Almost surely, 2^220200022001 is an apocalyptic number.

It is an amenable number.

220200022001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200022001 is an equidigital number, since it uses as much as digits as its factorization.

220200022001 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 11.

Adding to 220200022001 its reverse (100220002022), we get a palindrome (320420024023).

The spelling of 220200022001 in words is "two hundred twenty billion, two hundred million, twenty-two thousand, one".