11200221222021 has 16 divisors (see below), whose sum is σ = 17869298816320. Its totient is φ = 6892443828720.

The previous prime is 11200221221999. The next prime is 11200221222053. The reversal of 11200221222021 is 12022212200211.

It is a happy number.

11200221222021 is a `hidden beast` number, since 1 + 1 + 200 + 221 + 2 + 220 + 21 = 666.

It is not a de Polignac number, because 11200221222021 - 2⁶ = 11200221221957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200221221985 and 11200221222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200221232021) 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 15 ways as a sum of consecutive naturals, for example, 15954730735 + ... + 15954731436.

It is an arithmetic number, because the mean of its divisors is an integer number (1116831176020).

Almost surely, 2^{11200221222021} is an apocalyptic number.

It is an amenable number.

11200221222021 is a deficient number, since it is larger than the sum of its proper divisors (6669077594299).

11200221222021 is a wasteful number, since it uses less digits than its factorization.

11200221222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31909462193 (or 31909462187 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11200221222021 its reverse (12022212200211), we get a palindrome (23222433422232).

The spelling of 11200221222021 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-one".