11101122112211 has 2 divisors, whose sum is σ = 11101122112212. Its totient is φ = 11101122112210.

The previous prime is 11101122112193. The next prime is 11101122112279. The reversal of 11101122112211 is 11221122110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101122112211 - 2⁶ = 11101122112147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11101122112211.

It is not a weakly prime, because it can be changed into another prime (11101122114211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550561056105 + 5550561056106.

It is an arithmetic number, because the mean of its divisors is an integer number (5550561056106).

Almost surely, 2^{11101122112211} is an apocalyptic number.

11101122112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101122112211 is an equidigital number, since it uses as much as digits as its factorization.

11101122112211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11101122112211 its reverse (11221122110111), we get a palindrome (22322244222322).

The spelling of 11101122112211 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".