13244231121 has 16 divisors (see below), whose sum is σ = 19273186560. Its totient is φ = 8023119120.

The previous prime is 13244231083. The next prime is 13244231129. The reversal of 13244231121 is 12113244231.

It is not a de Polignac number, because 13244231121 - 2⁶ = 13244231057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13244231091 and 13244231100.

It is not an unprimeable number, because it can be changed into a prime (13244231129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18391 + ... + 163788.

It is an arithmetic number, because the mean of its divisors is an integer number (1204574160).

Almost surely, 2^13244231121 is an apocalyptic number.

13244231121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13244231121 is a deficient number, since it is larger than the sum of its proper divisors (6028955439).

13244231121 is a wasteful number, since it uses less digits than its factorization.

13244231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184396.

The product of its digits is 1152, while the sum is 24.

Adding to 13244231121 its reverse (12113244231), we get a palindrome (25357475352).

The spelling of 13244231121 in words is "thirteen billion, two hundred forty-four million, two hundred thirty-one thousand, one hundred twenty-one".