11321003211 has 8 divisors (see below), whose sum is σ = 17251052544. Its totient is φ = 6469144680.

The previous prime is 11321003173. The next prime is 11321003227. The reversal of 11321003211 is 11230012311.

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 11321003211 - 2⁹ = 11321002699 is a prime.

It is a super-2 number, since 2×11321003211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321003011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269547675 + ... + 269547716.

It is an arithmetic number, because the mean of its divisors is an integer number (2156381568).

Almost surely, 2^11321003211 is an apocalyptic number.

11321003211 is a deficient number, since it is larger than the sum of its proper divisors (5930049333).

11321003211 is an equidigital number, since it uses as much as digits as its factorization.

11321003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539095401.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11321003211 its reverse (11230012311), we get a palindrome (22551015522).

It can be divided in two parts, 1132100 and 3211, that added together give a palindrome (1135311).

The spelling of 11321003211 in words is "eleven billion, three hundred twenty-one million, three thousand, two hundred eleven".