11331001003211 has 4 divisors (see below), whose sum is σ = 11331044700672. Its totient is φ = 11330957305752.

The previous prime is 11331001003171. The next prime is 11331001003261. The reversal of 11331001003211 is 11230010013311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331001003211 - 2¹⁰ = 11331001002187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331001003211.

It is not an unprimeable number, because it can be changed into a prime (11331001003261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21457436 + ... + 21979161.

It is an arithmetic number, because the mean of its divisors is an integer number (2832761175168).

Almost surely, 2^{11331001003211} is an apocalyptic number.

11331001003211 is a deficient number, since it is larger than the sum of its proper divisors (43697461).

11331001003211 is an equidigital number, since it uses as much as digits as its factorization.

11331001003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43697460.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11331001003211 its reverse (11230010013311), we get a palindrome (22561011016522).

The spelling of 11331001003211 in words is "eleven trillion, three hundred thirty-one billion, one million, three thousand, two hundred eleven".