11040203213211 has 16 divisors (see below), whose sum is σ = 15376004711424. Its totient is φ = 7032923677824.

The previous prime is 11040203213197. The next prime is 11040203213233. The reversal of 11040203213211 is 11231230204011.

It is not a de Polignac number, because 11040203213211 - 2⁹ = 11040203212699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11040203213411) 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, 81817411 + ... + 81952236.

It is an arithmetic number, because the mean of its divisors is an integer number (961000294464).

Almost surely, 2^{11040203213211} is an apocalyptic number.

11040203213211 is a deficient number, since it is larger than the sum of its proper divisors (4335801498213).

11040203213211 is a wasteful number, since it uses less digits than its factorization.

11040203213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163770650.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11040203213211 its reverse (11231230204011), we get a palindrome (22271433417222).

The spelling of 11040203213211 in words is "eleven trillion, forty billion, two hundred three million, two hundred thirteen thousand, two hundred eleven".