11102130221 has 16 divisors (see below), whose sum is σ = 13684906368. Its totient is φ = 8770766400.

The previous prime is 11102130203. The next prime is 11102130251. The reversal of 11102130221 is 12203120111.

It is a cyclic number.

It is not a de Polignac number, because 11102130221 - 2⁶ = 11102130157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11102130196 and 11102130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102130251) 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, 32135 + ... + 152436.

It is an arithmetic number, because the mean of its divisors is an integer number (855306648).

Almost surely, 2^11102130221 is an apocalyptic number.

It is an amenable number.

11102130221 is a deficient number, since it is larger than the sum of its proper divisors (2582776147).

11102130221 is a wasteful number, since it uses less digits than its factorization.

11102130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185252.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11102130221 its reverse (12203120111), we get a palindrome (23305250332).

The spelling of 11102130221 in words is "eleven billion, one hundred two million, one hundred thirty thousand, two hundred twenty-one".