20110010998087 has 2 divisors, whose sum is σ = 20110010998088. Its totient is φ = 20110010998086.

The previous prime is 20110010998081. The next prime is 20110010998097. The reversal of 20110010998087 is 78089901001102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110010998087 - 2³ = 20110010998079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110010998081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055005499043 + 10055005499044.

It is an arithmetic number, because the mean of its divisors is an integer number (10055005499044).

Almost surely, 2^{20110010998087} is an apocalyptic number.

20110010998087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110010998087 is an equidigital number, since it uses as much as digits as its factorization.

20110010998087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 46.

Adding to 20110010998087 its reverse (78089901001102), we get a palindrome (98199911999189).

The spelling of 20110010998087 in words is "twenty trillion, one hundred ten billion, ten million, nine hundred ninety-eight thousand, eighty-seven".