11200220012221 has 8 divisors (see below), whose sum is σ = 11336373063680. Its totient is φ = 11064489141888.

The previous prime is 11200220012213. The next prime is 11200220012231. The reversal of 11200220012221 is 12221002200211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11200220012221 - 2³ = 11200220012213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200220012195 and 11200220012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200220012231) 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 7 ways as a sum of consecutive naturals, for example, 105491901 + ... + 105598018.

It is an arithmetic number, because the mean of its divisors is an integer number (1417046632960).

Almost surely, 2^{11200220012221} is an apocalyptic number.

It is an amenable number.

11200220012221 is a deficient number, since it is larger than the sum of its proper divisors (136153051459).

11200220012221 is an equidigital number, since it uses as much as digits as its factorization.

11200220012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211090563.

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

Adding to 11200220012221 its reverse (12221002200211), we get a palindrome (23421222212432).

The spelling of 11200220012221 in words is "eleven trillion, two hundred billion, two hundred twenty million, twelve thousand, two hundred twenty-one".