1001210323109 has 2 divisors, whose sum is σ = 1001210323110. Its totient is φ = 1001210323108.

The previous prime is 1001210323103. The next prime is 1001210323151. The reversal of 1001210323109 is 9013230121001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935566759009 + 65643564100 = 967247^2 + 256210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001210323109 - 2⁴ = 1001210323093 is a prime.

It is a super-2 number, since 2×1001210323109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001210323103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500605161554 + 500605161555.

It is an arithmetic number, because the mean of its divisors is an integer number (500605161555).

Almost surely, 2^{1001210323109} is an apocalyptic number.

It is an amenable number.

1001210323109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001210323109 is an equidigital number, since it uses as much as digits as its factorization.

1001210323109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 1001210323109 in words is "one trillion, one billion, two hundred ten million, three hundred twenty-three thousand, one hundred nine".