11210220200221 has 64 divisors (see below), whose sum is σ = 13505039308800. Its totient is φ = 9102744354816.

The previous prime is 11210220200149. The next prime is 11210220200273. The reversal of 11210220200221 is 12200202201211.

It is a happy number.

It is not a de Polignac number, because 11210220200221 - 2¹⁹ = 11210219675933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11210220200195 and 11210220200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210220200281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3957012421 + ... + 3957015253.

It is an arithmetic number, because the mean of its divisors is an integer number (211016239200).

Almost surely, 2^{11210220200221} is an apocalyptic number.

It is an amenable number.

11210220200221 is a deficient number, since it is larger than the sum of its proper divisors (2294819108579).

11210220200221 is a wasteful number, since it uses less digits than its factorization.

11210220200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238.

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

Adding to 11210220200221 its reverse (12200202201211), we get a palindrome (23410422401432).

The spelling of 11210220200221 in words is "eleven trillion, two hundred ten billion, two hundred twenty million, two hundred thousand, two hundred twenty-one".