2000000011081 has 2 divisors, whose sum is σ = 2000000011082. Its totient is φ = 2000000011080.

The previous prime is 2000000011013. The next prime is 2000000011199. The reversal of 2000000011081 is 1801100000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1483319383056 + 516680628025 = 1217916^2 + 718805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000000011081 is a prime.

It is a super-3 number, since 3×2000000011081³ (a number of 38 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 (2000000011781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000000005540 + 1000000005541.

It is an arithmetic number, because the mean of its divisors is an integer number (1000000005541).

Almost surely, 2^{2000000011081} is an apocalyptic number.

It is an amenable number.

2000000011081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000000011081 is an equidigital number, since it uses as much as digits as its factorization.

2000000011081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2000000011081 its reverse (1801100000002), we get a palindrome (3801100011083).

The spelling of 2000000011081 in words is "two trillion, eleven thousand, eighty-one".