13214311121 has 16 divisors (see below), whose sum is σ = 15233434560. Its totient is φ = 11336417280.

The previous prime is 13214311087. The next prime is 13214311147. The reversal of 13214311121 is 12111341231.

It is a cyclic number.

It is not a de Polignac number, because 13214311121 - 2⁶ = 13214311057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13214311093 and 13214311102.

It is not an unprimeable number, because it can be changed into a prime (13214311151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69296 + ... + 176721.

It is an arithmetic number, because the mean of its divisors is an integer number (952089660).

Almost surely, 2^13214311121 is an apocalyptic number.

13214311121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13214311121 is a deficient number, since it is larger than the sum of its proper divisors (2019123439).

13214311121 is a wasteful number, since it uses less digits than its factorization.

13214311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246304.

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

Adding to 13214311121 its reverse (12111341231), we get a palindrome (25325652352).

The spelling of 13214311121 in words is "thirteen billion, two hundred fourteen million, three hundred eleven thousand, one hundred twenty-one".