11031200231211 has 96 divisors (see below), whose sum is σ = 16989463895040. Its totient is φ = 6882601017600.

The previous prime is 11031200231203. The next prime is 11031200231251. The reversal of 11031200231211 is 11213200213011.

11031200231211 is a `hidden beast` number, since 1 + 103 + 120 + 0 + 231 + 211 = 666.

It is not a de Polignac number, because 11031200231211 - 2³ = 11031200231203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031200231251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1354015840 + ... + 1354023986.

It is an arithmetic number, because the mean of its divisors is an integer number (176973582240).

Almost surely, 2^{11031200231211} is an apocalyptic number.

11031200231211 is a deficient number, since it is larger than the sum of its proper divisors (5958263663829).

11031200231211 is a wasteful number, since it uses less digits than its factorization.

11031200231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937 (or 8934 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11031200231211 its reverse (11213200213011), we get a palindrome (22244400444222).

The spelling of 11031200231211 in words is "eleven trillion, thirty-one billion, two hundred million, two hundred thirty-one thousand, two hundred eleven".