2011443330 has 32 divisors (see below), whose sum is σ = 5198808384. Its totient is φ = 495124416.

The previous prime is 2011443323. The next prime is 2011443353. The reversal of 2011443330 is 333441102.

It is a junction number, because it is equal to n+sod(n) for n = 2011443297 and 2011443306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578384 + ... + 2579163.

It is an arithmetic number, because the mean of its divisors is an integer number (162462762).

Almost surely, 2^2011443330 is an apocalyptic number.

2011443330 is an abundant number, since it is smaller than the sum of its proper divisors (3187365054).

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

2011443330 is a wasteful number, since it uses less digits than its factorization.

2011443330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157570.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2011443330 is about 44849.1173826197. The cubic root of 2011443330 is about 1262.3194301762.

Adding to 2011443330 its reverse (333441102), we get a palindrome (2344884432).

The spelling of 2011443330 in words is "two billion, eleven million, four hundred forty-three thousand, three hundred thirty".