2130021011 has 8 divisors (see below), whose sum is σ = 2244690000. Its totient is φ = 2015608320.

The previous prime is 2130020987. The next prime is 2130021037. The reversal of 2130021011 is 1101200312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2130021011 - 2¹⁴ = 2130004627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130020983 and 2130021001.

It is not an unprimeable number, because it can be changed into a prime (2130021071) 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 7 ways as a sum of consecutive naturals, for example, 46886 + ... + 80363.

It is an arithmetic number, because the mean of its divisors is an integer number (280586250).

Almost surely, 2^2130021011 is an apocalyptic number.

2130021011 is a deficient number, since it is larger than the sum of its proper divisors (114668989).

2130021011 is a wasteful number, since it uses less digits than its factorization.

2130021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128149.

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

The square root of 2130021011 is about 46152.1506649473. The cubic root of 2130021011 is about 1286.6525818465.

Adding to 2130021011 its reverse (1101200312), we get a palindrome (3231221323).

The spelling of 2130021011 in words is "two billion, one hundred thirty million, twenty-one thousand, eleven".