11223231013220 has 24 divisors (see below), whose sum is σ = 23610061483008. Its totient is φ = 4481430242400.

The previous prime is 11223231013201. The next prime is 11223231013237. The reversal of 11223231013220 is 2231013232211.

It is a super-2 number, since 2×11223231013220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491373476 + ... + 491396315.

It is an arithmetic number, because the mean of its divisors is an integer number (983752561792).

Almost surely, 2^{11223231013220} is an apocalyptic number.

11223231013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223231013220 is an abundant number, since it is smaller than the sum of its proper divisors (12386830469788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11223231013220 is a wasteful number, since it uses less digits than its factorization.

11223231013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982770371 (or 982770369 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11223231013220 its reverse (2231013232211), we get a palindrome (13454244245431).

The spelling of 11223231013220 in words is "eleven trillion, two hundred twenty-three billion, two hundred thirty-one million, thirteen thousand, two hundred twenty".