11111100210211 has 4 divisors (see below), whose sum is σ = 11494241596800. Its totient is φ = 10727958823624.

The previous prime is 11111100210149. The next prime is 11111100210239. The reversal of 11111100210211 is 11201200111111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11111100210211 - 2⁷ = 11111100210083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111100210191 and 11111100210200.

It is not an unprimeable number, because it can be changed into a prime (11111100216211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191570693251 + ... + 191570693308.

It is an arithmetic number, because the mean of its divisors is an integer number (2873560399200).

Almost surely, 2^{11111100210211} is an apocalyptic number.

11111100210211 is a deficient number, since it is larger than the sum of its proper divisors (383141386589).

11111100210211 is an equidigital number, since it uses as much as digits as its factorization.

11111100210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383141386588.

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

Adding to 11111100210211 its reverse (11201200111111), we get a palindrome (22312300321322).

The spelling of 11111100210211 in words is "eleven trillion, one hundred eleven billion, one hundred million, two hundred ten thousand, two hundred eleven".