13110212221 has 8 divisors (see below), whose sum is σ = 13688040960. Its totient is φ = 12533035152.

The previous prime is 13110212209. The next prime is 13110212239. The reversal of 13110212221 is 12221201131.

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 13110212221 - 2⁵ = 13110212189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13110212195 and 13110212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110212281) 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, 121570 + ... + 202483.

It is an arithmetic number, because the mean of its divisors is an integer number (1711005120).

Almost surely, 2^13110212221 is an apocalyptic number.

It is an amenable number.

13110212221 is a deficient number, since it is larger than the sum of its proper divisors (577828739).

13110212221 is a wasteful number, since it uses less digits than its factorization.

13110212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325835.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13110212221 its reverse (12221201131), we get a palindrome (25331413352).

The spelling of 13110212221 in words is "thirteen billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-one".