12110110022221 has 16 divisors (see below), whose sum is σ = 12151892563200. Its totient is φ = 12068415652608.

The previous prime is 12110110022191. The next prime is 12110110022299. The reversal of 12110110022221 is 12222001101121.

12110110022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12110110022221 - 2⁷ = 12110110022093 is a prime.

It is a super-2 number, since 2×12110110022221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12110110022195 and 12110110022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110110022321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073680860 + ... + 1073692138.

It is an arithmetic number, because the mean of its divisors is an integer number (759493285200).

Almost surely, 2^{12110110022221} is an apocalyptic number.

It is an amenable number.

12110110022221 is a deficient number, since it is larger than the sum of its proper divisors (41782540979).

12110110022221 is a wasteful number, since it uses less digits than its factorization.

12110110022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14868.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12110110022221 its reverse (12222001101121), we get a palindrome (24332111123342).

The spelling of 12110110022221 in words is "twelve trillion, one hundred ten billion, one hundred ten million, twenty-two thousand, two hundred twenty-one".