11331312132211 has 6 divisors (see below), whose sum is σ = 12037068597500. Its totient is φ = 10664764359456.

The previous prime is 11331312132209. The next prime is 11331312132221. The reversal of 11331312132211 is 11223121313311.

It is not a de Polignac number, because 11331312132211 - 2¹ = 11331312132209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331312132221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19604345961 + ... + 19604346538.

Almost surely, 2^{11331312132211} is an apocalyptic number.

11331312132211 is a deficient number, since it is larger than the sum of its proper divisors (705756465289).

11331312132211 is an equidigital number, since it uses as much as digits as its factorization.

11331312132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39208692533 (or 39208692516 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

Adding to 11331312132211 its reverse (11223121313311), we get a palindrome (22554433445522).

The spelling of 11331312132211 in words is "eleven trillion, three hundred thirty-one billion, three hundred twelve million, one hundred thirty-two thousand, two hundred eleven".