11320224010221 has 64 divisors (see below), whose sum is σ = 18512116697088. Its totient is φ = 6005888114688.

The previous prime is 11320224010219. The next prime is 11320224010223. The reversal of 11320224010221 is 12201042202311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11320224010219) and next prime (11320224010223).

It is not a de Polignac number, because 11320224010221 - 2¹ = 11320224010219 is a prime.

It is a super-2 number, since 2×11320224010221² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320224010223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19657830 + ... + 20225496.

It is an arithmetic number, because the mean of its divisors is an integer number (289251823392).

Almost surely, 2^{11320224010221} is an apocalyptic number.

It is an amenable number.

11320224010221 is a deficient number, since it is larger than the sum of its proper divisors (7191892686867).

11320224010221 is a wasteful number, since it uses less digits than its factorization.

11320224010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568450.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11320224010221 its reverse (12201042202311), we get a palindrome (23521266212532).

The spelling of 11320224010221 in words is "eleven trillion, three hundred twenty billion, two hundred twenty-four million, ten thousand, two hundred twenty-one".