320001022109 has 2 divisors, whose sum is σ = 320001022110. Its totient is φ = 320001022108.

The previous prime is 320001022097. The next prime is 320001022157. The reversal of 320001022109 is 901220100023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252918468100 + 67082554009 = 502910^2 + 259003^2 .

It is a cyclic number.

It is not a de Polignac number, because 320001022109 - 2⁸ = 320001021853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320001022409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160000511054 + 160000511055.

It is an arithmetic number, because the mean of its divisors is an integer number (160000511055).

Almost surely, 2^320001022109 is an apocalyptic number.

It is an amenable number.

320001022109 is a deficient number, since it is larger than the sum of its proper divisors (1).

320001022109 is an equidigital number, since it uses as much as digits as its factorization.

320001022109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 320001022109 in words is "three hundred twenty billion, one million, twenty-two thousand, one hundred nine".