2130244081 has 12 divisors (see below), whose sum is σ = 2557977600. Its totient is φ = 1767021480.

The previous prime is 2130244073. The next prime is 2130244091. The reversal of 2130244081 is 1804420312.

It is not a de Polignac number, because 2130244081 - 2³ = 2130244073 is a prime.

It is a super-2 number, since 2×2130244081² = 9075879689271069122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130244001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699681 + ... + 702718.

It is an arithmetic number, because the mean of its divisors is an integer number (213164800).

Almost surely, 2^2130244081 is an apocalyptic number.

It is an amenable number.

2130244081 is a deficient number, since it is larger than the sum of its proper divisors (427733519).

2130244081 is a wasteful number, since it uses less digits than its factorization.

2130244081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402444 (or 1402437 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2130244081 is about 46154.5672821228. The cubic root of 2130244081 is about 1286.6974958906.

Adding to 2130244081 its reverse (1804420312), we get a palindrome (3934664393).

The spelling of 2130244081 in words is "two billion, one hundred thirty million, two hundred forty-four thousand, eighty-one".