2011232112330 has 128 divisors (see below), whose sum is σ = 5610921062400. Its totient is φ = 451846139904.

The previous prime is 2011232112317. The next prime is 2011232112367. The reversal of 2011232112330 is 332112321102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2011232112297 and 2011232112306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129257091 + ... + 129272649.

It is an arithmetic number, because the mean of its divisors is an integer number (43835320800).

Almost surely, 2^{2011232112330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011232112330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2805460531200).

2011232112330 is an abundant number, since it is smaller than the sum of its proper divisors (3599688950070).

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

2011232112330 is a wasteful number, since it uses less digits than its factorization.

2011232112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26068.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2011232112330 its reverse (332112321102), we get a palindrome (2343344433432).

The spelling of 2011232112330 in words is "two trillion, eleven billion, two hundred thirty-two million, one hundred twelve thousand, three hundred thirty".