2121118330 has 16 divisors (see below), whose sum is σ = 3823925760. Its totient is φ = 847133392.

The previous prime is 2121118297. The next prime is 2121118343. The reversal of 2121118330 is 338111212.

It is a happy 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, 157450 + ... + 170389.

It is an arithmetic number, because the mean of its divisors is an integer number (238995360).

Almost surely, 2^2121118330 is an apocalyptic number.

2121118330 is a deficient number, since it is larger than the sum of its proper divisors (1702807430).

2121118330 is a wasteful number, since it uses less digits than its factorization.

2121118330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328493.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2121118330 is about 46055.6004194930. The cubic root of 2121118330 is about 1284.8575051306.

Adding to 2121118330 its reverse (338111212), we get a palindrome (2459229542).

The spelling of 2121118330 in words is "two billion, one hundred twenty-one million, one hundred eighteen thousand, three hundred thirty".