201343122100999 has 2 divisors, whose sum is σ = 201343122101000. Its totient is φ = 201343122100998.

The previous prime is 201343122100993. The next prime is 201343122101027. The reversal of 201343122100999 is 999001221343102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201343122100999 - 2²¹ = 201343120003847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201343122100993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100671561050499 + 100671561050500.

It is an arithmetic number, because the mean of its divisors is an integer number (100671561050500).

Almost surely, 2^{201343122100999} is an apocalyptic number.

201343122100999 is a deficient number, since it is larger than the sum of its proper divisors (1).

201343122100999 is an equidigital number, since it uses as much as digits as its factorization.

201343122100999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 201343122100999 in words is "two hundred one trillion, three hundred forty-three billion, one hundred twenty-two million, one hundred thousand, nine hundred ninety-nine".