11100121062011 has 2 divisors, whose sum is σ = 11100121062012. Its totient is φ = 11100121062010.

The previous prime is 11100121061993. The next prime is 11100121062013. The reversal of 11100121062011 is 11026012100111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100121062011 is a prime.

Together with 11100121062013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11100121062013) 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, 5550060531005 + 5550060531006.

It is an arithmetic number, because the mean of its divisors is an integer number (5550060531006).

Almost surely, 2^{11100121062011} is an apocalyptic number.

11100121062011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100121062011 is an equidigital number, since it uses as much as digits as its factorization.

11100121062011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11100121062011 its reverse (11026012100111), we get a palindrome (22126133162122).

The spelling of 11100121062011 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, sixty-two thousand, eleven".