2121002230 has 16 divisors (see below), whose sum is σ = 3889839024. Its totient is φ = 832393120.

The previous prime is 2121002207. The next prime is 2121002249. The reversal of 2121002230 is 322001212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121002230.

It is a congruent number.

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, 2000416 + ... + 2001475.

It is an arithmetic number, because the mean of its divisors is an integer number (243114939).

Almost surely, 2^2121002230 is an apocalyptic number.

2121002230 is a deficient number, since it is larger than the sum of its proper divisors (1768836794).

2121002230 is a wasteful number, since it uses less digits than its factorization.

2121002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001951.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2121002230 is about 46054.3399692146. The cubic root of 2121002230 is about 1284.8340623590.

Adding to 2121002230 its reverse (322001212), we get a palindrome (2443003442).

The spelling of 2121002230 in words is "two billion, one hundred twenty-one million, two thousand, two hundred thirty".