200201011220081 has 2 divisors, whose sum is σ = 200201011220082. Its totient is φ = 200201011220080.

The previous prime is 200201011220033. The next prime is 200201011220237. The reversal of 200201011220081 is 180022110102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119955963858481 + 80245047361600 = 10952441^2 + 8957960^2 .

It is a cyclic number.

It is not a de Polignac number, because 200201011220081 - 2²² = 200201007025777 is a prime.

It is a super-2 number, since 2×200201011220081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200201011220281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100505610040 + 100100505610041.

It is an arithmetic number, because the mean of its divisors is an integer number (100100505610041).

Almost surely, 2^{200201011220081} is an apocalyptic number.

It is an amenable number.

200201011220081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201011220081 is an equidigital number, since it uses as much as digits as its factorization.

200201011220081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 200201011220081 its reverse (180022110102002), we get a palindrome (380223121322083).

The spelling of 200201011220081 in words is "two hundred trillion, two hundred one billion, eleven million, two hundred twenty thousand, eighty-one".