11112100211 has 4 divisors (see below), whose sum is σ = 11113568592. Its totient is φ = 11110631832.

The previous prime is 11112100171. The next prime is 11112100243. The reversal of 11112100211 is 11200121111.

11112100211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11200121111 = 179 ⋅62570509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112100211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112100192 and 11112100201.

It is not an unprimeable number, because it can be changed into a prime (11112100261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722780 + ... + 737993.

It is an arithmetic number, because the mean of its divisors is an integer number (2778392148).

Almost surely, 2^11112100211 is an apocalyptic number.

11112100211 is a deficient number, since it is larger than the sum of its proper divisors (1468381).

11112100211 is an equidigital number, since it uses as much as digits as its factorization.

11112100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468380.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112100211 its reverse (11200121111), we get a palindrome (22312221322).

The spelling of 11112100211 in words is "eleven billion, one hundred twelve million, one hundred thousand, two hundred eleven".