200210220212081 has 2 divisors, whose sum is σ = 200210220212082. Its totient is φ = 200210220212080.

The previous prime is 200210220212027. The next prime is 200210220212117. The reversal of 200210220212081 is 180212022012002.

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., 175975718861056 + 24234501351025 = 13265584^2 + 4922855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200210220212081 is a prime.

It is a super-2 number, since 2×200210220212081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200210220212011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100105110106040 + 100105110106041.

It is an arithmetic number, because the mean of its divisors is an integer number (100105110106041).

Almost surely, 2^{200210220212081} is an apocalyptic number.

It is an amenable number.

200210220212081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200210220212081 is an equidigital number, since it uses as much as digits as its factorization.

200210220212081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 200210220212081 its reverse (180212022012002), we get a palindrome (380422242224083).

The spelling of 200210220212081 in words is "two hundred trillion, two hundred ten billion, two hundred twenty million, two hundred twelve thousand, eighty-one".