2011333001320 has 128 divisors (see below), whose sum is σ = 4947340032000. Its totient is φ = 732624076800.

The previous prime is 2011333001287. The next prime is 2011333001389. The reversal of 2011333001320 is 231003331102.

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, 150103981 + ... + 150117379.

It is an arithmetic number, because the mean of its divisors is an integer number (38651094000).

Almost surely, 2^{2011333001320} is an apocalyptic number.

2011333001320 is a gapful number since it is divisible by the number (20) 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 2011333001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473670016000).

2011333001320 is an abundant number, since it is smaller than the sum of its proper divisors (2936007030680).

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

2011333001320 is a wasteful number, since it uses less digits than its factorization.

2011333001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20579 (or 20575 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2011333001320 its reverse (231003331102), we get a palindrome (2242336332422).

The spelling of 2011333001320 in words is "two trillion, eleven billion, three hundred thirty-three million, one thousand, three hundred twenty".