1100321020000 has 60 divisors (see below), whose sum is σ = 2706954806556. Its totient is φ = 440128400000.

The previous prime is 1100321019971. The next prime is 1100321020129. The reversal of 1100321020000 is 201230011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27488026 + ... + 27528025.

Almost surely, 2^{1100321020000} is an apocalyptic number.

1100321020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100321020000 is an abundant number, since it is smaller than the sum of its proper divisors (1606633786556).

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

1100321020000 is an frugal number, since it uses more digits than its factorization.

1100321020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55016081 (or 55016058 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1100321020000 its reverse (201230011), we get a palindrome (1100522250011).

The spelling of 1100321020000 in words is "one trillion, one hundred billion, three hundred twenty-one million, twenty thousand".