11001101011211 has 4 divisors (see below), whose sum is σ = 11001220541592. Its totient is φ = 11000981480832.

The previous prime is 11001101011189. The next prime is 11001101011213. The reversal of 11001101011211 is 11211010110011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11001101011211 - 2¹⁰ = 11001101010187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001101011192 and 11001101011201.

It is not an unprimeable number, because it can be changed into a prime (11001101011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59627030 + ... + 59811243.

It is an arithmetic number, because the mean of its divisors is an integer number (2750305135398).

Almost surely, 2^{11001101011211} is an apocalyptic number.

11001101011211 is a deficient number, since it is larger than the sum of its proper divisors (119530381).

11001101011211 is an equidigital number, since it uses as much as digits as its factorization.

11001101011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119530380.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11001101011211 its reverse (11211010110011), we get a palindrome (22212111121222).

The spelling of 11001101011211 in words is "eleven trillion, one billion, one hundred one million, eleven thousand, two hundred eleven".