921012103020071 has 2 divisors, whose sum is σ = 921012103020072. Its totient is φ = 921012103020070.

The previous prime is 921012103020043. The next prime is 921012103020089. The reversal of 921012103020071 is 170020301210129.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 921012103020071 - 2¹⁴ = 921012103003687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (921012103020871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460506051510035 + 460506051510036.

It is an arithmetic number, because the mean of its divisors is an integer number (460506051510036).

Almost surely, 2^{921012103020071} is an apocalyptic number.

921012103020071 is a deficient number, since it is larger than the sum of its proper divisors (1).

921012103020071 is an equidigital number, since it uses as much as digits as its factorization.

921012103020071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 921012103020071 in words is "nine hundred twenty-one trillion, twelve billion, one hundred three million, twenty thousand, seventy-one".