11331132011211 has 4 divisors (see below), whose sum is σ = 15108176014952. Its totient is φ = 7554088007472.

The previous prime is 11331132011201. The next prime is 11331132011257. The reversal of 11331132011211 is 11211023113311.

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

It is not a de Polignac number, because 11331132011211 - 2⁹ = 11331132010699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331132011201) 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, 1888522001866 + ... + 1888522001871.

It is an arithmetic number, because the mean of its divisors is an integer number (3777044003738).

Almost surely, 2^{11331132011211} is an apocalyptic number.

11331132011211 is a deficient number, since it is larger than the sum of its proper divisors (3777044003741).

11331132011211 is an equidigital number, since it uses as much as digits as its factorization.

11331132011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777044003740.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 11331132011211 its reverse (11211023113311), we get a palindrome (22542155124522).

The spelling of 11331132011211 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, eleven thousand, two hundred eleven".