200202102211081 has 2 divisors, whose sum is σ = 200202102211082. Its totient is φ = 200202102211080.

The previous prime is 200202102211049. The next prime is 200202102211313. The reversal of 200202102211081 is 180112201202002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197133281453056 + 3068820758025 = 14040416^2 + 1751805^2 .

It is a cyclic number.

It is not a de Polignac number, because 200202102211081 - 2⁵ = 200202102211049 is a prime.

It is a super-3 number, since 3×200202102211081³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (200202102211481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101051105540 + 100101051105541.

It is an arithmetic number, because the mean of its divisors is an integer number (100101051105541).

Almost surely, 2^{200202102211081} is an apocalyptic number.

It is an amenable number.

200202102211081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202102211081 is an equidigital number, since it uses as much as digits as its factorization.

200202102211081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 200202102211081 its reverse (180112201202002), we get a palindrome (380314303413083).

The spelling of 200202102211081 in words is "two hundred trillion, two hundred two billion, one hundred two million, two hundred eleven thousand, eighty-one".