2011321133 has 8 divisors (see below), whose sum is σ = 2168819520. Its totient is φ = 1858986720.

The previous prime is 2011321127. The next prime is 2011321139. The reversal of 2011321133 is 3311231102.

It is an interprime number because it is at equal distance from previous prime (2011321127) and next prime (2011321139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011321133 - 2¹⁸ = 2011058989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011321139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290185 + ... + 1291742.

It is an arithmetic number, because the mean of its divisors is an integer number (271102440).

Almost surely, 2^2011321133 is an apocalyptic number.

It is an amenable number.

2011321133 is a deficient number, since it is larger than the sum of its proper divisors (157498387).

2011321133 is a wasteful number, since it uses less digits than its factorization.

2011321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581987.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2011321133 is about 44847.7550497235. The cubic root of 2011321133 is about 1262.2938673098.

Adding to 2011321133 its reverse (3311231102), we get a palindrome (5322552235).

The spelling of 2011321133 in words is "two billion, eleven million, three hundred twenty-one thousand, one hundred thirty-three".