1121004202240 has 108 divisors (see below), whose sum is σ = 2907594846324. Its totient is φ = 413909164032.

The previous prime is 1121004202229. The next prime is 1121004202247. The reversal of 1121004202240 is 422024001211.

It can be written as a sum of positive squares in 6 ways, for example, as 59543808256 + 1061460393984 = 244016^2 + 1030272^2 .

It is not an unprimeable number, because it can be changed into a prime (1121004202247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2374759 + ... + 2807398.

It is an arithmetic number, because the mean of its divisors is an integer number (26922174503).

Almost surely, 2^{1121004202240} is an apocalyptic number.

1121004202240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121004202240 is an abundant number, since it is smaller than the sum of its proper divisors (1786590644084).

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

1121004202240 is an equidigital number, since it uses as much as digits as its factorization.

1121004202240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182204 (or 5182177 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1121004202240 its reverse (422024001211), we get a palindrome (1543028203451).

The spelling of 1121004202240 in words is "one trillion, one hundred twenty-one billion, four million, two hundred two thousand, two hundred forty".