2121013130 has 32 divisors (see below), whose sum is σ = 4058588160. Its totient is φ = 795787200.

The previous prime is 2121013129. The next prime is 2121013159. The reversal of 2121013130 is 313101212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36074 + ... + 74453.

It is an arithmetic number, because the mean of its divisors is an integer number (126830880).

Almost surely, 2^2121013130 is an apocalyptic number.

2121013130 is a deficient number, since it is larger than the sum of its proper divisors (1937575030).

2121013130 is a wasteful number, since it uses less digits than its factorization.

2121013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110654.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2121013130 is about 46054.4583075298. The cubic root of 2121013130 is about 1284.8362633102.

Adding to 2121013130 its reverse (313101212), we get a palindrome (2434114342).

The spelling of 2121013130 in words is "two billion, one hundred twenty-one million, thirteen thousand, one hundred thirty".