13211210111 has 8 divisors (see below), whose sum is σ = 14426696784. Its totient is φ = 11998134720.

The previous prime is 13211210083. The next prime is 13211210141. The reversal of 13211210111 is 11101211231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13211210111 - 2²² = 13207015807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591350 + ... + 613283.

It is an arithmetic number, because the mean of its divisors is an integer number (1803337098).

Almost surely, 2^13211210111 is an apocalyptic number.

13211210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13211210111 is a deficient number, since it is larger than the sum of its proper divisors (1215486673).

13211210111 is a wasteful number, since it uses less digits than its factorization.

13211210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205641.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 13211210111 its reverse (11101211231), we get a palindrome (24312421342).

It can be divided in two parts, 13211 and 210111, that added together give a palindrome (223322).

The spelling of 13211210111 in words is "thirteen billion, two hundred eleven million, two hundred ten thousand, one hundred eleven".