11011001001211 has 8 divisors (see below), whose sum is σ = 11155770187200. Its totient is φ = 10866366551040.

The previous prime is 11011001001137. The next prime is 11011001001257. The reversal of 11011001001211 is 11210010011011.

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 11011001001211 - 2¹⁷ = 11011000870139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011001008211) 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, 33519430 + ... + 33846331.

It is an arithmetic number, because the mean of its divisors is an integer number (1394471273400).

Almost surely, 2^{11011001001211} is an apocalyptic number.

11011001001211 is a deficient number, since it is larger than the sum of its proper divisors (144769185989).

11011001001211 is an equidigital number, since it uses as much as digits as its factorization.

11011001001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67367909.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11011001001211 its reverse (11210010011011), we get a palindrome (22221011012222).

The spelling of 11011001001211 in words is "eleven trillion, eleven billion, one million, one thousand, two hundred eleven".