11231121323200 has 42 divisors (see below), whose sum is σ = 27635577909836. Its totient is φ = 4492448528640.

The previous prime is 11231121323159. The next prime is 11231121323207. The reversal of 11231121323200 is 232312113211.

It is a super-2 number, since 2×11231121323200² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11231121323207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3509723814 + ... + 3509727013.

Almost surely, 2^{11231121323200} is an apocalyptic number.

11231121323200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231121323200 is an abundant number, since it is smaller than the sum of its proper divisors (16404456586636).

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

11231121323200 is an equidigital number, since it uses as much as digits as its factorization.

11231121323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019450849 (or 7019450834 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11231121323200 its reverse (232312113211), we get a palindrome (11463433436411).

The spelling of 11231121323200 in words is "eleven trillion, two hundred thirty-one billion, one hundred twenty-one million, three hundred twenty-three thousand, two hundred".