1003012111009 has 2 divisors, whose sum is σ = 1003012111010. Its totient is φ = 1003012111008.

The previous prime is 1003012111007. The next prime is 1003012111069. The reversal of 1003012111009 is 9001112103001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 975211550784 + 27800560225 = 987528^2 + 166735^2 .

It is an emirp because it is prime and its reverse (9001112103001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003012111009 - 2¹ = 1003012111007 is a prime.

Together with 1003012111007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1003012111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501506055504 + 501506055505.

It is an arithmetic number, because the mean of its divisors is an integer number (501506055505).

Almost surely, 2^{1003012111009} is an apocalyptic number.

It is an amenable number.

1003012111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003012111009 is an equidigital number, since it uses as much as digits as its factorization.

1003012111009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 1003012111009 in words is "one trillion, three billion, twelve million, one hundred eleven thousand, nine".