11200222111121 has 4 divisors (see below), whose sum is σ = 11201323529700. Its totient is φ = 11199120692544.

The previous prime is 11200222111109. The next prime is 11200222111139. The reversal of 11200222111121 is 12111122200211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9757126849600 + 1443095261521 = 3123640^2 + 1201289^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200222111121 - 2¹⁰ = 11200222110097 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 11200222111121.

It is not an unprimeable number, because it can be changed into a prime (11200222111621) 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, 550694036 + ... + 550714373.

It is an arithmetic number, because the mean of its divisors is an integer number (2800330882425).

Almost surely, 2^{11200222111121} is an apocalyptic number.

It is an amenable number.

11200222111121 is a deficient number, since it is larger than the sum of its proper divisors (1101418579).

11200222111121 is a wasteful number, since it uses less digits than its factorization.

11200222111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101418578.

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

Adding to 11200222111121 its reverse (12111122200211), we get a palindrome (23311344311332).

The spelling of 11200222111121 in words is "eleven trillion, two hundred billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-one".