13111224121 has 8 divisors (see below), whose sum is σ = 13178108160. Its totient is φ = 13044412752.

The previous prime is 13111224107. The next prime is 13111224163. The reversal of 13111224121 is 12142211131.

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 13111224121 - 2¹⁷ = 13111093049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111224421) 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, 363906 + ... + 398308.

It is an arithmetic number, because the mean of its divisors is an integer number (1647263520).

Almost surely, 2^13111224121 is an apocalyptic number.

It is an amenable number.

13111224121 is a deficient number, since it is larger than the sum of its proper divisors (66884039).

13111224121 is a wasteful number, since it uses less digits than its factorization.

13111224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36335.

The product of its digits is 96, while the sum is 19.

Adding to 13111224121 its reverse (12142211131), we get a palindrome (25253435252).

The spelling of 13111224121 in words is "thirteen billion, one hundred eleven million, two hundred twenty-four thousand, one hundred twenty-one".