11102110221 has 8 divisors (see below), whose sum is σ = 15202889824. Its totient is φ = 7201368720.

The previous prime is 11102110213. The next prime is 11102110231. The reversal of 11102110221 is 12201120111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11102110221 - 2³ = 11102110213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11102110197 and 11102110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102110211) 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, 50009395 + ... + 50009616.

It is an arithmetic number, because the mean of its divisors is an integer number (1900361228).

Almost surely, 2^11102110221 is an apocalyptic number.

It is an amenable number.

11102110221 is a deficient number, since it is larger than the sum of its proper divisors (4100779603).

11102110221 is a wasteful number, since it uses less digits than its factorization.

11102110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100019051.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11102110221 its reverse (12201120111), we get a palindrome (23303230332).

The spelling of 11102110221 in words is "eleven billion, one hundred two million, one hundred ten thousand, two hundred twenty-one".