11111011200211 has 16 divisors (see below), whose sum is σ = 12603025472800. Its totient is φ = 9710689701888.

The previous prime is 11111011200203. The next prime is 11111011200217. The reversal of 11111011200211 is 11200211011111.

It is a cyclic number.

It is not a de Polignac number, because 11111011200211 - 2³ = 11111011200203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111011200191 and 11111011200200.

It is not an unprimeable number, because it can be changed into a prime (11111011200217) 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 in 15 ways as a sum of consecutive naturals, for example, 13064046 + ... + 13888531.

It is an arithmetic number, because the mean of its divisors is an integer number (787689092050).

Almost surely, 2^{11111011200211} is an apocalyptic number.

11111011200211 is a deficient number, since it is larger than the sum of its proper divisors (1492014272589).

11111011200211 is a wasteful number, since it uses less digits than its factorization.

11111011200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26954278.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111011200211 its reverse (11200211011111), we get a palindrome (22311222211322).

The spelling of 11111011200211 in words is "eleven trillion, one hundred eleven billion, eleven million, two hundred thousand, two hundred eleven".