1101303012320 has 144 divisors (see below), whose sum is σ = 3030706209888. Its totient is φ = 377079413760.

The previous prime is 1101303012301. The next prime is 1101303012361. The reversal of 1101303012320 is 232103031011.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5730590 + ... + 5919650.

It is an arithmetic number, because the mean of its divisors is an integer number (21046570902).

Almost surely, 2^{1101303012320} is an apocalyptic number.

1101303012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101303012320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515353104944).

1101303012320 is an abundant number, since it is smaller than the sum of its proper divisors (1929403197568).

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

1101303012320 is a wasteful number, since it uses less digits than its factorization.

1101303012320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189833 (or 189818 counting only the distinct ones).

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

Adding to 1101303012320 its reverse (232103031011), we get a palindrome (1333406043331).

The spelling of 1101303012320 in words is "one trillion, one hundred one billion, three hundred three million, twelve thousand, three hundred twenty".