11322131210221 has 16 divisors (see below), whose sum is σ = 12242113486848. Its totient is φ = 10409159160000.

The previous prime is 11322131210219. The next prime is 11322131210231. The reversal of 11322131210221 is 12201213122311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11322131210221 - 2¹ = 11322131210219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322131210192 and 11322131210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322131210231) 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, 115222891 + ... + 115321111.

It is an arithmetic number, because the mean of its divisors is an integer number (765132092928).

Almost surely, 2^{11322131210221} is an apocalyptic number.

It is an amenable number.

11322131210221 is a deficient number, since it is larger than the sum of its proper divisors (919982276627).

11322131210221 is a wasteful number, since it uses less digits than its factorization.

11322131210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133812.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11322131210221 its reverse (12201213122311), we get a palindrome (23523344332532).

The spelling of 11322131210221 in words is "eleven trillion, three hundred twenty-two billion, one hundred thirty-one million, two hundred ten thousand, two hundred twenty-one".