2011200321 has 32 divisors (see below), whose sum is σ = 2920071168. Its totient is φ = 1223933760.

The previous prime is 2011200281. The next prime is 2011200341. The reversal of 2011200321 is 1230021102.

It is not a de Polignac number, because 2011200321 - 2²² = 2007006017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011200297 and 2011200306.

It is not an unprimeable number, because it can be changed into a prime (2011200341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431510 + ... + 2432336.

It is an arithmetic number, because the mean of its divisors is an integer number (91252224).

Almost surely, 2^2011200321 is an apocalyptic number.

It is an amenable number.

2011200321 is a deficient number, since it is larger than the sum of its proper divisors (908870847).

2011200321 is a wasteful number, since it uses less digits than its factorization.

2011200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2011200321 is about 44846.4081170388. The cubic root of 2011200321 is about 1262.2685931591.

Adding to 2011200321 its reverse (1230021102), we get a palindrome (3241221423).

The spelling of 2011200321 in words is "two billion, eleven million, two hundred thousand, three hundred twenty-one".