11321211101011 has 8 divisors (see below), whose sum is σ = 12968408100704. Its totient is φ = 9681484383360.

The previous prime is 11321211101003. The next prime is 11321211101041. The reversal of 11321211101011 is 11010111212311.

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 11321211101011 - 2³ = 11321211101003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321211101041) 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, 1867567260 + ... + 1867573321.

It is an arithmetic number, because the mean of its divisors is an integer number (1621051012588).

Almost surely, 2^{11321211101011} is an apocalyptic number.

11321211101011 is a deficient number, since it is larger than the sum of its proper divisors (1647196999693).

11321211101011 is an equidigital number, since it uses as much as digits as its factorization.

11321211101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735141021.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 11321211101011 its reverse (11010111212311), we get a palindrome (22331322313322).

The spelling of 11321211101011 in words is "eleven trillion, three hundred twenty-one billion, two hundred eleven million, one hundred one thousand, eleven".