2011232113 has 6 divisors (see below), whose sum is σ = 2210693282. Its totient is φ = 1828392720.

The previous prime is 2011232011. The next prime is 2011232147. The reversal of 2011232113 is 3112321102.

It can be written as a sum of positive squares in only one way, i.e., 1037355264 + 973876849 = 32208^2 + 31207^2 .

It is not a de Polignac number, because 2011232113 - 2²¹ = 2009134961 is a prime.

It is a super-2 number, since 2×2011232113² = 8090109224724889538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011232183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8310756 + ... + 8310997.

Almost surely, 2^2011232113 is an apocalyptic number.

It is an amenable number.

2011232113 is a deficient number, since it is larger than the sum of its proper divisors (199461169).

2011232113 is a wasteful number, since it uses less digits than its factorization.

2011232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16621775 (or 16621764 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2011232113 is about 44846.7625698890. The cubic root of 2011232113 is about 1262.2752442174.

Adding to 2011232113 its reverse (3112321102), we get a palindrome (5123553215).

It can be divided in two parts, 20112 and 32113, that added together give a palindrome (52225).

The spelling of 2011232113 in words is "two billion, eleven million, two hundred thirty-two thousand, one hundred thirteen".