10111122211087 has 2 divisors, whose sum is σ = 10111122211088. Its totient is φ = 10111122211086.

The previous prime is 10111122211051. The next prime is 10111122211159. The reversal of 10111122211087 is 78011222111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10111122211087 - 2¹¹ = 10111122209039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111122211007) 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, 5055561105543 + 5055561105544.

It is an arithmetic number, because the mean of its divisors is an integer number (5055561105544).

Almost surely, 2^{10111122211087} is an apocalyptic number.

10111122211087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111122211087 is an equidigital number, since it uses as much as digits as its factorization.

10111122211087 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 28.

Adding to 10111122211087 its reverse (78011222111101), we get a palindrome (88122344322188).

The spelling of 10111122211087 in words is "ten trillion, one hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, eighty-seven".