2011223032 has 96 divisors (see below), whose sum is σ = 4763124000. Its totient is φ = 795465216.

The previous prime is 2011223021. The next prime is 2011223033. The reversal of 2011223032 is 2303221102.

It is a junction number, because it is equal to n+sod(n) for n = 2011222997 and 2011223015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011223033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461568 + ... + 465904.

It is an arithmetic number, because the mean of its divisors is an integer number (49615875).

Almost surely, 2^2011223032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011223032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2381562000).

2011223032 is an abundant number, since it is smaller than the sum of its proper divisors (2751900968).

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

2011223032 is a wasteful number, since it uses less digits than its factorization.

2011223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2011223032 is about 44846.6613250084. The cubic root of 2011223032 is about 1262.2733444303.

Adding to 2011223032 its reverse (2303221102), we get a palindrome (4314444134).

The spelling of 2011223032 in words is "two billion, eleven million, two hundred twenty-three thousand, thirty-two".