11222102111 has 4 divisors (see below), whose sum is σ = 12242293224. Its totient is φ = 10201911000.

The previous prime is 11222102081. The next prime is 11222102123. The reversal of 11222102111 is 11120122211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222102111 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 (11222102011) 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 3 ways as a sum of consecutive naturals, for example, 510095540 + ... + 510095561.

It is an arithmetic number, because the mean of its divisors is an integer number (3060573306).

Almost surely, 2^11222102111 is an apocalyptic number.

11222102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11222102111 is a deficient number, since it is larger than the sum of its proper divisors (1020191113).

11222102111 is a wasteful number, since it uses less digits than its factorization.

11222102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020191112.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11222102111 its reverse (11120122211), we get a palindrome (22342224322).

The spelling of 11222102111 in words is "eleven billion, two hundred twenty-two million, one hundred two thousand, one hundred eleven".