2121011330 has 8 divisors (see below), whose sum is σ = 3817820412. Its totient is φ = 848404528.

The previous prime is 2121011327. The next prime is 2121011339. The reversal of 2121011330 is 331101212.

It can be written as a sum of positive squares in 2 ways, for example, as 1921156561 + 199854769 = 43831^2 + 14137^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2121011339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106050557 + ... + 106050576.

Almost surely, 2^2121011330 is an apocalyptic number.

2121011330 is a deficient number, since it is larger than the sum of its proper divisors (1696809082).

2121011330 is a wasteful number, since it uses less digits than its factorization.

2121011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212101140.

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

The square root of 2121011330 is about 46054.4387654437. The cubic root of 2121011330 is about 1284.8358998509.

Adding to 2121011330 its reverse (331101212), we get a palindrome (2452112542).

The spelling of 2121011330 in words is "two billion, one hundred twenty-one million, eleven thousand, three hundred thirty".