11210201111111 has 4 divisors (see below), whose sum is σ = 11571820501824. Its totient is φ = 10848581720400.

The previous prime is 11210201111093. The next prime is 11210201111113. The reversal of 11210201111111 is 11111110201211.

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 11210201111111 - 2⁶ = 11210201111047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210201111113) 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, 180809695310 + ... + 180809695371.

It is an arithmetic number, because the mean of its divisors is an integer number (2892955125456).

Almost surely, 2^{11210201111111} is an apocalyptic number.

11210201111111 is a deficient number, since it is larger than the sum of its proper divisors (361619390713).

11210201111111 is an equidigital number, since it uses as much as digits as its factorization.

11210201111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361619390712.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11210201111111 its reverse (11111110201211), we get a palindrome (22321311312322).

The spelling of 11210201111111 in words is "eleven trillion, two hundred ten billion, two hundred one million, one hundred eleven thousand, one hundred eleven".