11100220001211 has 8 divisors (see below), whose sum is σ = 16145774547264. Its totient is φ = 6727406061320.

The previous prime is 11100220001207. The next prime is 11100220001279. The reversal of 11100220001211 is 11210002200111.

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

It is a cyclic number.

It is not a de Polignac number, because 11100220001211 - 2² = 11100220001207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100220001281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168185151501 + ... + 168185151566.

It is an arithmetic number, because the mean of its divisors is an integer number (2018221818408).

Almost surely, 2^{11100220001211} is an apocalyptic number.

11100220001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11100220001211 is a deficient number, since it is larger than the sum of its proper divisors (5045554546053).

11100220001211 is a wasteful number, since it uses less digits than its factorization.

11100220001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336370303081.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100220001211 its reverse (11210002200111), we get a palindrome (22310222201322).

The spelling of 11100220001211 in words is "eleven trillion, one hundred billion, two hundred twenty million, one thousand, two hundred eleven".