11202112210221 has 16 divisors (see below), whose sum is σ = 16981668813120. Its totient is φ = 7294398647760.

The previous prime is 11202112210213. The next prime is 11202112210229. The reversal of 11202112210221 is 12201221120211.

11202112210221 is a `hidden beast` number, since 1 + 1 + 20 + 211 + 2 + 210 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (11202112210213) and next prime (11202112210229).

It is not a de Polignac number, because 11202112210221 - 2³ = 11202112210213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202112210194 and 11202112210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202112210229) 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, 4824336570 + ... + 4824338891.

It is an arithmetic number, because the mean of its divisors is an integer number (1061354300820).

Almost surely, 2^{11202112210221} is an apocalyptic number.

It is an amenable number.

11202112210221 is a deficient number, since it is larger than the sum of its proper divisors (5779556602899).

11202112210221 is an equidigital number, since it uses as much as digits as its factorization.

11202112210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648675513 (or 9648675507 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11202112210221 its reverse (12201221120211), we get a palindrome (23403333330432).

The spelling of 11202112210221 in words is "eleven trillion, two hundred two billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".