11100321211 has 8 divisors (see below), whose sum is σ = 12770096384. Its totient is φ = 9451549800.

The previous prime is 11100321191. The next prime is 11100321217. The reversal of 11100321211 is 11212300111.

It is a happy number.

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

It is not a de Polignac number, because 11100321211 - 2¹⁷ = 11100190139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100321191 and 11100321200.

It is not an unprimeable number, because it can be changed into a prime (11100321217) 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 7 ways as a sum of consecutive naturals, for example, 5249805 + ... + 5251918.

It is an arithmetic number, because the mean of its divisors is an integer number (1596262048).

Almost surely, 2^11100321211 is an apocalyptic number.

11100321211 is a deficient number, since it is larger than the sum of its proper divisors (1669775173).

11100321211 is a wasteful number, since it uses less digits than its factorization.

11100321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501881.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11100321211 its reverse (11212300111), we get a palindrome (22312621322).

The spelling of 11100321211 in words is "eleven billion, one hundred million, three hundred twenty-one thousand, two hundred eleven".