1121011323200 has 42 divisors (see below), whose sum is σ = 2758388491086. Its totient is φ = 448404528640.

The previous prime is 1121011323169. The next prime is 1121011323233. The reversal of 1121011323200 is 23231101211.

It can be written as a sum of positive squares in 3 ways, for example, as 15603007744 + 1105408315456 = 124912^2 + 1051384^2 .

It is a super-2 number, since 2×1121011323200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350314439 + ... + 350317638.

Almost surely, 2^{1121011323200} is an apocalyptic number.

1121011323200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121011323200 is an abundant number, since it is smaller than the sum of its proper divisors (1637377167886).

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

1121011323200 is an equidigital number, since it uses as much as digits as its factorization.

1121011323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700632099 (or 700632084 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1121011323200 its reverse (23231101211), we get a palindrome (1144242424411).

The spelling of 1121011323200 in words is "one trillion, one hundred twenty-one billion, eleven million, three hundred twenty-three thousand, two hundred".