200202112220081 has 2 divisors, whose sum is σ = 200202112220082. Its totient is φ = 200202112220080.

The previous prime is 200202112220069. The next prime is 200202112220111. The reversal of 200202112220081 is 180022211202002.

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., 196148876259856 + 4053235960225 = 14005316^2 + 2013265^2 .

It is a cyclic number.

It is not a de Polignac number, because 200202112220081 - 2⁶ = 200202112220017 is a prime.

It is a super-2 number, since 2×200202112220081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200202112220021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101056110040 + 100101056110041.

It is an arithmetic number, because the mean of its divisors is an integer number (100101056110041).

Almost surely, 2^{200202112220081} is an apocalyptic number.

It is an amenable number.

200202112220081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202112220081 is an equidigital number, since it uses as much as digits as its factorization.

200202112220081 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 200202112220081 its reverse (180022211202002), we get a palindrome (380224323422083).

The spelling of 200202112220081 in words is "two hundred trillion, two hundred two billion, one hundred twelve million, two hundred twenty thousand, eighty-one".