11231223113320 has 32 divisors (see below), whose sum is σ = 28880288006400. Its totient is φ = 3850705067328.

The previous prime is 11231223113291. The next prime is 11231223113321. The reversal of 11231223113320 is 2331132213211.

It is a super-2 number, since 2×11231223113320² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231223113321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20055755280 + ... + 20055755839.

It is an arithmetic number, because the mean of its divisors is an integer number (902509000200).

Almost surely, 2^{11231223113320} is an apocalyptic number.

11231223113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231223113320 is an abundant number, since it is smaller than the sum of its proper divisors (17649064893080).

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

11231223113320 is a wasteful number, since it uses less digits than its factorization.

11231223113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40111511137 (or 40111511133 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11231223113320 its reverse (2331132213211), we get a palindrome (13562355326531).

The spelling of 11231223113320 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred twenty".