11222012200021 has 8 divisors (see below), whose sum is σ = 12830372418240. Its totient is φ = 9614955886368.

The previous prime is 11222012200013. The next prime is 11222012200039. The reversal of 11222012200021 is 12000221022211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11222012200021 - 2³ = 11222012200013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222012199968 and 11222012200004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222012203021) 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 7 ways as a sum of consecutive naturals, for example, 325957696 + ... + 325992121.

It is an arithmetic number, because the mean of its divisors is an integer number (1603796552280).

Almost surely, 2^{11222012200021} is an apocalyptic number.

It is an amenable number.

11222012200021 is a deficient number, since it is larger than the sum of its proper divisors (1608360218219).

11222012200021 is an equidigital number, since it uses as much as digits as its factorization.

11222012200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651952283.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11222012200021 its reverse (12000221022211), we get a palindrome (23222233222232).

The spelling of 11222012200021 in words is "eleven trillion, two hundred twenty-two billion, twelve million, two hundred thousand, twenty-one".