11101200211211 has 12 divisors (see below), whose sum is σ = 12205603834200. Its totient is φ = 10089140070240.

The previous prime is 11101200211183. The next prime is 11101200211243. The reversal of 11101200211211 is 11211200210111.

It is a de Polignac number, because none of the positive numbers 2^k-11101200211211 is a prime.

It is a super-2 number, since 2×11101200211211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101200211111) 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 in 11 ways as a sum of consecutive naturals, for example, 12571781 + ... + 13425798.

It is an arithmetic number, because the mean of its divisors is an integer number (1017133652850).

Almost surely, 2^{11101200211211} is an apocalyptic number.

11101200211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101200211211 is a deficient number, since it is larger than the sum of its proper divisors (1104403622989).

11101200211211 is a wasteful number, since it uses less digits than its factorization.

11101200211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26001130 (or 26001119 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11101200211211 its reverse (11211200210111), we get a palindrome (22312400421322).

The spelling of 11101200211211 in words is "eleven trillion, one hundred one billion, two hundred million, two hundred eleven thousand, two hundred eleven".