11021100211 has 32 divisors (see below), whose sum is σ = 12489147648. Its totient is φ = 9639527040.

The previous prime is 11021100193. The next prime is 11021100241. The reversal of 11021100211 is 11200112011.

It is not a de Polignac number, because 11021100211 - 2⁵ = 11021100179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021100241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11053765 + ... + 11054761.

It is an arithmetic number, because the mean of its divisors is an integer number (390285864).

Almost surely, 2^11021100211 is an apocalyptic number.

11021100211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021100211 is a deficient number, since it is larger than the sum of its proper divisors (1468047437).

11021100211 is a wasteful number, since it uses less digits than its factorization.

11021100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11021100211 its reverse (11200112011), we get a palindrome (22221212222).

The spelling of 11021100211 in words is "eleven billion, twenty-one million, one hundred thousand, two hundred eleven".