2001130112 has 64 divisors (see below), whose sum is σ = 4268975400. Its totient is φ = 931037184.

The previous prime is 2001130099. The next prime is 2001130121. The reversal of 2001130112 is 2110311002.

It can be written as a sum of positive squares in 4 ways, for example, as 1840753216 + 160376896 = 42904^2 + 12664^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2001130093 and 2001130102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188498 + ... + 198830.

Almost surely, 2^2001130112 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 2001130112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134487700).

2001130112 is an abundant number, since it is smaller than the sum of its proper divisors (2267845288).

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

2001130112 is a wasteful number, since it uses less digits than its factorization.

2001130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453 (or 10441 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2001130112 is about 44733.9928018951. The cubic root of 2001130112 is about 1260.1583138609.

Adding to 2001130112 its reverse (2110311002), we get a palindrome (4111441114).

The spelling of 2001130112 in words is "two billion, one million, one hundred thirty thousand, one hundred twelve".