13211243111 has 8 divisors (see below), whose sum is σ = 14627374464. Its totient is φ = 11830963320.

The previous prime is 13211243083. The next prime is 13211243117. The reversal of 13211243111 is 11134211231.

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

It is not a de Polignac number, because 13211243111 - 2¹⁴ = 13211226727 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 (13211243117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8962115 + ... + 8963588.

It is an arithmetic number, because the mean of its divisors is an integer number (1828421808).

Almost surely, 2^13211243111 is an apocalyptic number.

13211243111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13211243111 is a deficient number, since it is larger than the sum of its proper divisors (1416131353).

13211243111 is a wasteful number, since it uses less digits than its factorization.

13211243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925781.

The product of its digits is 144, while the sum is 20.

Adding to 13211243111 its reverse (11134211231), we get a palindrome (24345454342).

The spelling of 13211243111 in words is "thirteen billion, two hundred eleven million, two hundred forty-three thousand, one hundred eleven".