199999002221047 has 2 divisors, whose sum is σ = 199999002221048. Its totient is φ = 199999002221046.

The previous prime is 199999002220951. The next prime is 199999002221069. The reversal of 199999002221047 is 740122200999991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199999002221047 - 2²³ = 199998993832439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199999002221047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199999002221077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99999501110523 + 99999501110524.

It is an arithmetic number, because the mean of its divisors is an integer number (99999501110524).

Almost surely, 2^{199999002221047} is an apocalyptic number.

199999002221047 is a deficient number, since it is larger than the sum of its proper divisors (1).

199999002221047 is an equidigital number, since it uses as much as digits as its factorization.

199999002221047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The spelling of 199999002221047 in words is "one hundred ninety-nine trillion, nine hundred ninety-nine billion, two million, two hundred twenty-one thousand, forty-seven".