1121303031200 has 108 divisors (see below), whose sum is σ = 3008857088790. Its totient is φ = 407746521600.

The previous prime is 1121303031181. The next prime is 1121303031217. The reversal of 1121303031200 is 21303031211.

It can be written as a sum of positive squares in 3 ways, for example, as 1075443665296 + 45859365904 = 1037036^2 + 214148^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5695055 + ... + 5888654.

Almost surely, 2^{1121303031200} is an apocalyptic number.

1121303031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121303031200 is an abundant number, since it is smaller than the sum of its proper divisors (1887554057590).

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

1121303031200 is a wasteful number, since it uses less digits than its factorization.

1121303031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11583751 (or 11583727 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1121303031200 its reverse (21303031211), we get a palindrome (1142606062411).

The spelling of 1121303031200 in words is "one trillion, one hundred twenty-one billion, three hundred three million, thirty-one thousand, two hundred".