11100220210221 has 8 divisors (see below), whose sum is σ = 15670899120384. Its totient is φ = 6964844053440.

The previous prime is 11100220210201. The next prime is 11100220210231. The reversal of 11100220210221 is 12201202200111.

11100220210221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11100220210221 - 2¹⁷ = 11100220079149 is a prime.

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 11100220210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100220210201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108825688285 + ... + 108825688386.

It is an arithmetic number, because the mean of its divisors is an integer number (1958862390048).

Almost surely, 2^{11100220210221} is an apocalyptic number.

It is an amenable number.

11100220210221 is a deficient number, since it is larger than the sum of its proper divisors (4570678910163).

11100220210221 is a wasteful number, since it uses less digits than its factorization.

11100220210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217651376691.

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

Adding to 11100220210221 its reverse (12201202200111), we get a palindrome (23301422410332).

The spelling of 11100220210221 in words is "eleven trillion, one hundred billion, two hundred twenty million, two hundred ten thousand, two hundred twenty-one".