11012220110221 has 16 divisors (see below), whose sum is σ = 12181870554048. Its totient is φ = 9870749078400.

The previous prime is 11012220110209. The next prime is 11012220110293. The reversal of 11012220110221 is 12201102221011.

It is not a de Polignac number, because 11012220110221 - 2¹¹ = 11012220108173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012220110195 and 11012220110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012220110621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227091 + ... + 4698511.

It is an arithmetic number, because the mean of its divisors is an integer number (761366909628).

Almost surely, 2^{11012220110221} is an apocalyptic number.

11012220110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11012220110221 is a deficient number, since it is larger than the sum of its proper divisors (1169650443827).

11012220110221 is a wasteful number, since it uses less digits than its factorization.

11012220110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474572.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11012220110221 its reverse (12201102221011), we get a palindrome (23213322331232).

The spelling of 11012220110221 in words is "eleven trillion, twelve billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-one".