11100021220211 has 64 divisors (see below), whose sum is σ = 14913286840320. Its totient is φ = 7999733871360.

The previous prime is 11100021220201. The next prime is 11100021220219. The reversal of 11100021220211 is 11202212000111.

It is not a de Polignac number, because 11100021220211 - 2¹⁰ = 11100021219187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100021220219) 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, 134395250 + ... + 134477816.

It is an arithmetic number, because the mean of its divisors is an integer number (233020106880).

Almost surely, 2^{11100021220211} is an apocalyptic number.

11100021220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100021220211 is a deficient number, since it is larger than the sum of its proper divisors (3813265620109).

11100021220211 is a wasteful number, since it uses less digits than its factorization.

11100021220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84784.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11100021220211 its reverse (11202212000111), we get a palindrome (22302233220322).

The spelling of 11100021220211 in words is "eleven trillion, one hundred billion, twenty-one million, two hundred twenty thousand, two hundred eleven".