200320122109 has 2 divisors, whose sum is σ = 200320122110. Its totient is φ = 200320122108.

The previous prime is 200320122103. The next prime is 200320122127. The reversal of 200320122109 is 901221023002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169129030009 + 31191092100 = 411253^2 + 176610^2 .

It is a cyclic number.

It is not a de Polignac number, because 200320122109 - 2¹¹ = 200320120061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200320122109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200320122103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100160061054 + 100160061055.

It is an arithmetic number, because the mean of its divisors is an integer number (100160061055).

Almost surely, 2^200320122109 is an apocalyptic number.

It is an amenable number.

200320122109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200320122109 is an equidigital number, since it uses as much as digits as its factorization.

200320122109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 200320122109 in words is "two hundred billion, three hundred twenty million, one hundred twenty-two thousand, one hundred nine".