1011133321000 has 192 divisors, whose sum is σ = 2607245858880. Its totient is φ = 364004000000.

The previous prime is 1011133320991. The next prime is 1011133321049. The reversal of 1011133321000 is 1233311101.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112206495 + ... + 112215505.

It is an arithmetic number, because the mean of its divisors is an integer number (13579405515).

Almost surely, 2^{1011133321000} is an apocalyptic number.

1011133321000 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 1011133321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303622929440).

1011133321000 is an abundant number, since it is smaller than the sum of its proper divisors (1596112537880).

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

1011133321000 is a wasteful number, since it uses less digits than its factorization.

1011133321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245 (or 9130 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1011133321000 its reverse (1233311101), we get a palindrome (1012366632101).

The spelling of 1011133321000 in words is "one trillion, eleven billion, one hundred thirty-three million, three hundred twenty-one thousand".