110100001009 has 2 divisors, whose sum is σ = 110100001010. Its totient is φ = 110100001008.

The previous prime is 110100000979. The next prime is 110100001019. The reversal of 110100001009 is 900100001011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100549239025 + 9550761984 = 317095^2 + 97728^2 .

It is a cyclic number.

It is not a de Polignac number, because 110100001009 - 2⁹ = 110100000497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110100001009.

It is not a weakly prime, because it can be changed into another prime (110100001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050000504 + 55050000505.

It is an arithmetic number, because the mean of its divisors is an integer number (55050000505).

Almost surely, 2^110100001009 is an apocalyptic number.

It is an amenable number.

110100001009 is a deficient number, since it is larger than the sum of its proper divisors (1).

110100001009 is an equidigital number, since it uses as much as digits as its factorization.

110100001009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 110100001009 in words is "one hundred ten billion, one hundred million, one thousand, nine".