1121343202240 has 28 divisors (see below), whose sum is σ = 2670198501096. Its totient is φ = 448537280768.

The previous prime is 1121343202223. The next prime is 1121343202379. The reversal of 1121343202240 is 422023431211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752098434 + ... + 1752099073.

It is an arithmetic number, because the mean of its divisors is an integer number (95364232182).

Almost surely, 2^{1121343202240} is an apocalyptic number.

1121343202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121343202240 is an abundant number, since it is smaller than the sum of its proper divisors (1548855298856).

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

1121343202240 is an equidigital number, since it uses as much as digits as its factorization.

1121343202240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504197524 (or 3504197514 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1121343202240 its reverse (422023431211), we get a palindrome (1543366633451).

The spelling of 1121343202240 in words is "one trillion, one hundred twenty-one billion, three hundred forty-three million, two hundred two thousand, two hundred forty".