1101330331240 has 16 divisors (see below), whose sum is σ = 2477993245380. Its totient is φ = 440532132480.

The previous prime is 1101330331201. The next prime is 1101330331247. The reversal of 1101330331240 is 421330331011.

It can be written as a sum of positive squares in 2 ways, for example, as 1095886547716 + 5443783524 = 1046846^2 + 73782^2 .

It is not an unprimeable number, because it can be changed into a prime (1101330331247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13766629101 + ... + 13766629180.

Almost surely, 2^{1101330331240} is an apocalyptic number.

1101330331240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101330331240 is an abundant number, since it is smaller than the sum of its proper divisors (1376662914140).

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

1101330331240 is a wasteful number, since it uses less digits than its factorization.

1101330331240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27533258292 (or 27533258288 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1101330331240 its reverse (421330331011), we get a palindrome (1522660662251).

The spelling of 1101330331240 in words is "one trillion, one hundred one billion, three hundred thirty million, three hundred thirty-one thousand, two hundred forty".