1101243231140 has 48 divisors (see below), whose sum is σ = 2621583088320. Its totient is φ = 385212205440.

The previous prime is 1101243231079. The next prime is 1101243231157. The reversal of 1101243231140 is 411323421011.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 111456926 + ... + 111466805.

It is an arithmetic number, because the mean of its divisors is an integer number (54616314340).

Almost surely, 2^{1101243231140} is an apocalyptic number.

1101243231140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101243231140 is an abundant number, since it is smaller than the sum of its proper divisors (1520339857180).

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

1101243231140 is a wasteful number, since it uses less digits than its factorization.

1101243231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222923772 (or 222923770 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1101243231140 its reverse (411323421011), we get a palindrome (1512566652151).

The spelling of 1101243231140 in words is "one trillion, one hundred one billion, two hundred forty-three million, two hundred thirty-one thousand, one hundred forty".