13441211111 has 4 divisors (see below), whose sum is σ = 13462996512. Its totient is φ = 13419425712.

The previous prime is 13441211101. The next prime is 13441211129. The reversal of 13441211111 is 11111214431.

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

It is a cyclic number.

It is not a de Polignac number, because 13441211111 - 2³⁰ = 12367469287 is a prime.

It is a super-2 number, since 2×13441211111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13441211101) 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, 10891775 + ... + 10893008.

It is an arithmetic number, because the mean of its divisors is an integer number (3365749128).

Almost surely, 2^13441211111 is an apocalyptic number.

13441211111 is a deficient number, since it is larger than the sum of its proper divisors (21785401).

13441211111 is an equidigital number, since it uses as much as digits as its factorization.

13441211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21785400.

The product of its digits is 96, while the sum is 20.

Adding to 13441211111 its reverse (11111214431), we get a palindrome (24552425542).

The spelling of 13441211111 in words is "thirteen billion, four hundred forty-one million, two hundred eleven thousand, one hundred eleven".