10100011010081 has 2 divisors, whose sum is σ = 10100011010082. Its totient is φ = 10100011010080.

The previous prime is 10100011010059. The next prime is 10100011010119. The reversal of 10100011010081 is 18001011000101.

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., 8717752277056 + 1382258733025 = 2952584^2 + 1175695^2 .

It is an emirp because it is prime and its reverse (18001011000101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10100011010081 - 2¹⁴ = 10100010993697 is a prime.

It is a super-2 number, since 2×10100011010081² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10100011040081) 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, 5050005505040 + 5050005505041.

It is an arithmetic number, because the mean of its divisors is an integer number (5050005505041).

Almost surely, 2^{10100011010081} is an apocalyptic number.

It is an amenable number.

10100011010081 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100011010081 is an equidigital number, since it uses as much as digits as its factorization.

10100011010081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10100011010081 its reverse (18001011000101), we get a palindrome (28101022010182).

The spelling of 10100011010081 in words is "ten trillion, one hundred billion, eleven million, ten thousand, eighty-one".