2121012313039 has 2 divisors, whose sum is σ = 2121012313040. Its totient is φ = 2121012313038.

The previous prime is 2121012313003. The next prime is 2121012313081. The reversal of 2121012313039 is 9303132101212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121012313039 - 2¹³ = 2121012304847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121012312998 and 2121012313016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121012313099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060506156519 + 1060506156520.

It is an arithmetic number, because the mean of its divisors is an integer number (1060506156520).

Almost surely, 2^{2121012313039} is an apocalyptic number.

2121012313039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121012313039 is an equidigital number, since it uses as much as digits as its factorization.

2121012313039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 2121012313039 in words is "two trillion, one hundred twenty-one billion, twelve million, three hundred thirteen thousand, thirty-nine".