2121104330 has 32 divisors (see below), whose sum is σ = 4043649600. Its totient is φ = 798844032.

The previous prime is 2121104329. The next prime is 2121104347. The reversal of 2121104330 is 334011212.

It is a junction number, because it is equal to n+sod(n) for n = 2121104299 and 2121104308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3275 + ... + 65214.

It is an arithmetic number, because the mean of its divisors is an integer number (126364050).

Almost surely, 2^2121104330 is an apocalyptic number.

2121104330 is a deficient number, since it is larger than the sum of its proper divisors (1922545270).

2121104330 is a wasteful number, since it uses less digits than its factorization.

2121104330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68678.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2121104330 is about 46055.4484290404. The cubic root of 2121104330 is about 1284.8546783129.

Adding to 2121104330 its reverse (334011212), we get a palindrome (2455115542).

The spelling of 2121104330 in words is "two billion, one hundred twenty-one million, one hundred four thousand, three hundred thirty".