2121000059 has 2 divisors, whose sum is σ = 2121000060. Its totient is φ = 2121000058.

The previous prime is 2121000047. The next prime is 2121000109. The reversal of 2121000059 is 9500001212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121000059 - 2⁴ = 2121000043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2121000059.

It is not a weakly prime, because it can be changed into another prime (2121000659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060500029 + 1060500030.

It is an arithmetic number, because the mean of its divisors is an integer number (1060500030).

Almost surely, 2^2121000059 is an apocalyptic number.

2121000059 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121000059 is an equidigital number, since it uses as much as digits as its factorization.

2121000059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2121000059 is about 46054.3163992258. The cubic root of 2121000059 is about 1284.8336239851.

The spelling of 2121000059 in words is "two billion, one hundred twenty-one million, fifty-nine", and thus it is an aban number.