11323100222221 has 16 divisors (see below), whose sum is σ = 11887401254400. Its totient is φ = 10771268299200.

The previous prime is 11323100222219. The next prime is 11323100222293. The reversal of 11323100222221 is 12222200132311.

It is a cyclic number.

It is not a de Polignac number, because 11323100222221 - 2¹ = 11323100222219 is a prime.

It is a super-2 number, since 2×11323100222221² (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 = 11323100222192 and 11323100222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323100225221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23740231 + ... + 24212491.

It is an arithmetic number, because the mean of its divisors is an integer number (742962578400).

Almost surely, 2^{11323100222221} is an apocalyptic number.

It is an amenable number.

11323100222221 is a deficient number, since it is larger than the sum of its proper divisors (564301032179).

11323100222221 is a wasteful number, since it uses less digits than its factorization.

11323100222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485460.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11323100222221 its reverse (12222200132311), we get a palindrome (23545300354532).

The spelling of 11323100222221 in words is "eleven trillion, three hundred twenty-three billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-one".