1011300321000 has 128 divisors (see below), whose sum is σ = 3257039784960. Its totient is φ = 260980704000.

The previous prime is 1011300320963. The next prime is 1011300321127. The reversal of 1011300321000 is 1230031101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5344099 + ... + 5530098.

It is an arithmetic number, because the mean of its divisors is an integer number (25445623320).

Almost surely, 2^{1011300321000} is an apocalyptic number.

1011300321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011300321000 is an abundant number, since it is smaller than the sum of its proper divisors (2245739463960).

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

1011300321000 is a wasteful number, since it uses less digits than its factorization.

1011300321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874252 (or 10874238 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1011300321000 its reverse (1230031101), we get a palindrome (1012530352101).

The spelling of 1011300321000 in words is "one trillion, eleven billion, three hundred million, three hundred twenty-one thousand".