11100120012211 has 2 divisors, whose sum is σ = 11100120012212. Its totient is φ = 11100120012210.

The previous prime is 11100120012209. The next prime is 11100120012227. The reversal of 11100120012211 is 11221002100111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100120012211 - 2¹ = 11100120012209 is a prime.

Together with 11100120012209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11100120012191 and 11100120012200.

It is not a weakly prime, because it can be changed into another prime (11100120012511) 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, 5550060006105 + 5550060006106.

It is an arithmetic number, because the mean of its divisors is an integer number (5550060006106).

Almost surely, 2^{11100120012211} is an apocalyptic number.

11100120012211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100120012211 is an equidigital number, since it uses as much as digits as its factorization.

11100120012211 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 13.

Adding to 11100120012211 its reverse (11221002100111), we get a palindrome (22321122112322).

The spelling of 11100120012211 in words is "eleven trillion, one hundred billion, one hundred twenty million, twelve thousand, two hundred eleven".