11100021220011 has 4 divisors (see below), whose sum is σ = 14800028293352. Its totient is φ = 7400014146672.

The previous prime is 11100021220007. The next prime is 11100021220027. The reversal of 11100021220011 is 11002212000111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11100021220011 - 2² = 11100021220007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100021220061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850003536666 + ... + 1850003536671.

It is an arithmetic number, because the mean of its divisors is an integer number (3700007073338).

Almost surely, 2^{11100021220011} is an apocalyptic number.

11100021220011 is a deficient number, since it is larger than the sum of its proper divisors (3700007073341).

11100021220011 is an equidigital number, since it uses as much as digits as its factorization.

11100021220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700007073340.

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

Adding to 11100021220011 its reverse (11002212000111), we get a palindrome (22102233220122).

The spelling of 11100021220011 in words is "eleven trillion, one hundred billion, twenty-one million, two hundred twenty thousand, eleven".