1011322320000 has 160 divisors (see below), whose sum is σ = 3356832407280. Its totient is φ = 269685888000.

The previous prime is 1011322319957. The next prime is 1011322320059. The reversal of 1011322320000 is 232231101.

1011322320000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1866922 + ... + 2346921.

Almost surely, 2^{1011322320000} is an apocalyptic number.

1011322320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011322320000 is an abundant number, since it is smaller than the sum of its proper divisors (2345510087280).

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

1011322320000 is an frugal number, since it uses more digits than its factorization.

1011322320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213880 (or 4213853 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1011322320000 its reverse (232231101), we get a palindrome (1011554551101).

The spelling of 1011322320000 in words is "one trillion, eleven billion, three hundred twenty-two million, three hundred twenty thousand".