11002120102087 has 2 divisors, whose sum is σ = 11002120102088. Its totient is φ = 11002120102086.

The previous prime is 11002120102063. The next prime is 11002120102187. The reversal of 11002120102087 is 78020102120011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11002120102087 - 2³⁵ = 10967760363719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002120102187) 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, 5501060051043 + 5501060051044.

It is an arithmetic number, because the mean of its divisors is an integer number (5501060051044).

Almost surely, 2^{11002120102087} is an apocalyptic number.

11002120102087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002120102087 is an equidigital number, since it uses as much as digits as its factorization.

11002120102087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 11002120102087 its reverse (78020102120011), we get a palindrome (89022222222098).

The spelling of 11002120102087 in words is "eleven trillion, two billion, one hundred twenty million, one hundred two thousand, eighty-seven".