13110121113221 has 8 divisors (see below), whose sum is σ = 14302401269088. Its totient is φ = 11917916118000.

The previous prime is 13110121113211. The next prime is 13110121113227. The reversal of 13110121113221 is 12231112101131.

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 13110121113221 - 2²² = 13110116918917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13110121113193 and 13110121113202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110121113227) 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, 18425135 + ... + 19123436.

It is an arithmetic number, because the mean of its divisors is an integer number (1787800158636).

Almost surely, 2^{13110121113221} is an apocalyptic number.

13110121113221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13110121113221 is a deficient number, since it is larger than the sum of its proper divisors (1192280155867).

13110121113221 is a wasteful number, since it uses less digits than its factorization.

13110121113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37580323.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 13110121113221 its reverse (12231112101131), we get a palindrome (25341233214352).

The spelling of 13110121113221 in words is "thirteen trillion, one hundred ten billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred twenty-one".