2011021233 has 8 divisors (see below), whose sum is σ = 2887620288. Its totient is φ = 1237551504.

The previous prime is 2011021231. The next prime is 2011021297. The reversal of 2011021233 is 3321201102.

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

It is not a de Polignac number, because 2011021233 - 2¹ = 2011021231 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011021231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25782285 + ... + 25782362.

It is an arithmetic number, because the mean of its divisors is an integer number (360952536).

Almost surely, 2^2011021233 is an apocalyptic number.

It is an amenable number.

2011021233 is a deficient number, since it is larger than the sum of its proper divisors (876599055).

2011021233 is a wasteful number, since it uses less digits than its factorization.

2011021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51564663.

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

The square root of 2011021233 is about 44844.4113909415. The cubic root of 2011021233 is about 1262.2311256717.

Adding to 2011021233 its reverse (3321201102), we get a palindrome (5332222335).

The spelling of 2011021233 in words is "two billion, eleven million, twenty-one thousand, two hundred thirty-three".