13102113221 has 8 divisors (see below), whose sum is σ = 13180560984. Its totient is φ = 13023774720.

The previous prime is 13102113187. The next prime is 13102113229. The reversal of 13102113221 is 12231120131.

It can be written as a sum of positive squares in 4 ways, for example, as 2236344100 + 10865769121 = 47290^2 + 104239^2 .

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 13102113221 - 2¹⁴ = 13102096837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13102113221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102113229) 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, 219881 + ... + 273041.

It is an arithmetic number, because the mean of its divisors is an integer number (1647570123).

Almost surely, 2^13102113221 is an apocalyptic number.

It is an amenable number.

13102113221 is a deficient number, since it is larger than the sum of its proper divisors (78447763).

13102113221 is a wasteful number, since it uses less digits than its factorization.

13102113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54631.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13102113221 its reverse (12231120131), we get a palindrome (25333233352).

The spelling of 13102113221 in words is "thirteen billion, one hundred two million, one hundred thirteen thousand, two hundred twenty-one".