13201211111 has 8 divisors (see below), whose sum is σ = 14403763200. Its totient is φ = 11999066040.

The previous prime is 13201211071. The next prime is 13201211131. The reversal of 13201211111 is 11111210231.

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

It is a cyclic number.

It is not a de Polignac number, because 13201211111 - 2⁶ = 13201211047 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 (13201211131) 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, 31841 + ... + 165578.

It is an arithmetic number, because the mean of its divisors is an integer number (1800470400).

Almost surely, 2^13201211111 is an apocalyptic number.

13201211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13201211111 is a deficient number, since it is larger than the sum of its proper divisors (1202552089).

13201211111 is a wasteful number, since it uses less digits than its factorization.

13201211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203509.

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

Adding to 13201211111 its reverse (11111210231), we get a palindrome (24312421342).

The spelling of 13201211111 in words is "thirteen billion, two hundred one million, two hundred eleven thousand, one hundred eleven".