11200110022221 has 16 divisors (see below), whose sum is σ = 14942952161280. Its totient is φ = 7462005372720.

The previous prime is 11200110022217. The next prime is 11200110022229. The reversal of 11200110022221 is 12222001100211.

It is not a de Polignac number, because 11200110022221 - 2² = 11200110022217 is a prime.

It is a super-2 number, since 2×11200110022221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11200110022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200110022229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31900596 + ... + 32249778.

It is an arithmetic number, because the mean of its divisors is an integer number (933934510080).

Almost surely, 2^{11200110022221} is an apocalyptic number.

It is an amenable number.

11200110022221 is a deficient number, since it is larger than the sum of its proper divisors (3742842139059).

11200110022221 is a wasteful number, since it uses less digits than its factorization.

11200110022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355936.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11200110022221 its reverse (12222001100211), we get a palindrome (23422111122432).

The spelling of 11200110022221 in words is "eleven trillion, two hundred billion, one hundred ten million, twenty-two thousand, two hundred twenty-one".