11200222112221 has 48 divisors (see below), whose sum is σ = 12020736873600. Its totient is φ = 10430061897600.

The previous prime is 11200222112207. The next prime is 11200222112347. The reversal of 11200222112221 is 12221122200211.

11200222112221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11200222112221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200222182221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 501139755 + ... + 501162103.

It is an arithmetic number, because the mean of its divisors is an integer number (250432018200).

Almost surely, 2^{11200222112221} is an apocalyptic number.

It is an amenable number.

11200222112221 is a deficient number, since it is larger than the sum of its proper divisors (820514761379).

11200222112221 is a wasteful number, since it uses less digits than its factorization.

11200222112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22658 (or 22627 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11200222112221 its reverse (12221122200211), we get a palindrome (23421344312432).

The spelling of 11200222112221 in words is "eleven trillion, two hundred billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-one".