2121082058 has 16 divisors (see below), whose sum is σ = 3205319040. Its totient is φ = 1052668176.

The previous prime is 2121082049. The next prime is 2121082097. The reversal of 2121082058 is 8502801212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121082058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166835 + ... + 179097.

It is an arithmetic number, because the mean of its divisors is an integer number (200332440).

Almost surely, 2^2121082058 is an apocalyptic number.

2121082058 is a deficient number, since it is larger than the sum of its proper divisors (1084236982).

2121082058 is a wasteful number, since it uses less digits than its factorization.

2121082058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12901.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 2121082058 is about 46055.2066329096. The cubic root of 2121082058 is about 1284.8501812241.

The spelling of 2121082058 in words is "two billion, one hundred twenty-one million, eighty-two thousand, fifty-eight".