2121110530 has 96 divisors (see below), whose sum is σ = 4872597120. Its totient is φ = 657377280.

The previous prime is 2121110527. The next prime is 2121110533. The reversal of 2121110530 is 350111212.

It is an interprime number because it is at equal distance from previous prime (2121110527) and next prime (2121110533).

It is not an unprimeable number, because it can be changed into a prime (2121110533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1039251 + ... + 1041289.

It is an arithmetic number, because the mean of its divisors is an integer number (50756220).

Almost surely, 2^2121110530 is an apocalyptic number.

2121110530 is an abundant number, since it is smaller than the sum of its proper divisors (2751486590).

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

2121110530 is a wasteful number, since it uses less digits than its factorization.

2121110530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2121110530 is about 46055.5157391598. The cubic root of 2121110530 is about 1284.8559301909.

Adding to 2121110530 its reverse (350111212), we get a palindrome (2471221742).

The spelling of 2121110530 in words is "two billion, one hundred twenty-one million, one hundred ten thousand, five hundred thirty".