11331003211 has 16 divisors (see below), whose sum is σ = 12573623808. Its totient is φ = 10124071200.

The previous prime is 11331003209. The next prime is 11331003239. The reversal of 11331003211 is 11230013311.

It is a cyclic number.

It is not a de Polignac number, because 11331003211 - 2¹ = 11331003209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331003011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948900 + ... + 960766.

It is an arithmetic number, because the mean of its divisors is an integer number (785851488).

Almost surely, 2^11331003211 is an apocalyptic number.

11331003211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11331003211 is a deficient number, since it is larger than the sum of its proper divisors (1242620597).

11331003211 is a wasteful number, since it uses less digits than its factorization.

11331003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11331003211 its reverse (11230013311), we get a palindrome (22561016522).

It can be divided in two parts, 1133100 and 3211, that added together give a palindrome (1136311).

The spelling of 11331003211 in words is "eleven billion, three hundred thirty-one million, three thousand, two hundred eleven".