11200222221 has 16 divisors (see below), whose sum is σ = 15419128320. Its totient is φ = 7224183360.

The previous prime is 11200222219. The next prime is 11200222249. The reversal of 11200222221 is 12222200211.

11200222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11200222221 - 2¹ = 11200222219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200220221) 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 15 ways as a sum of consecutive naturals, for example, 444271 + ... + 468803.

It is an arithmetic number, because the mean of its divisors is an integer number (963695520).

Almost surely, 2^11200222221 is an apocalyptic number.

It is an amenable number.

11200222221 is a deficient number, since it is larger than the sum of its proper divisors (4218906099).

11200222221 is a wasteful number, since it uses less digits than its factorization.

11200222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29476.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11200222221 its reverse (12222200211), we get a palindrome (23422422432).

The spelling of 11200222221 in words is "eleven billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-one".