11222200111211 has 4 divisors (see below), whose sum is σ = 11223276178800. Its totient is φ = 11221124043624.

The previous prime is 11222200111201. The next prime is 11222200111267. The reversal of 11222200111211 is 11211100222211.

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-11222200111211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11222200111211.

It is not an unprimeable number, because it can be changed into a prime (11222200111201) 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, 538018151 + ... + 538039008.

It is an arithmetic number, because the mean of its divisors is an integer number (2805819044700).

Almost surely, 2^{11222200111211} is an apocalyptic number.

11222200111211 is a deficient number, since it is larger than the sum of its proper divisors (1076067589).

11222200111211 is a wasteful number, since it uses less digits than its factorization.

11222200111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076067588.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11222200111211 its reverse (11211100222211), we get a palindrome (22433300333422).

The spelling of 11222200111211 in words is "eleven trillion, two hundred twenty-two billion, two hundred million, one hundred eleven thousand, two hundred eleven".