13244321002121 has 8 divisors (see below), whose sum is σ = 14450582356704. Its totient is φ = 12038431676320.

The previous prime is 13244321002117. The next prime is 13244321002229. The reversal of 13244321002121 is 12120012344231.

It is a happy number.

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 13244321002121 - 2² = 13244321002117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13244326002121) 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, 92932751 + ... + 93075156.

It is an arithmetic number, because the mean of its divisors is an integer number (1806322794588).

Almost surely, 2^{13244321002121} is an apocalyptic number.

13244321002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13244321002121 is a deficient number, since it is larger than the sum of its proper divisors (1206261354583).

13244321002121 is a wasteful number, since it uses less digits than its factorization.

13244321002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186014391.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 13244321002121 its reverse (12120012344231), we get a palindrome (25364333346352).

The spelling of 13244321002121 in words is "thirteen trillion, two hundred forty-four billion, three hundred twenty-one million, two thousand, one hundred twenty-one".