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1100010001001 is a prime number
BaseRepresentation
bin10000000000011101101…
…101001001001001101001
310220011022120212212112012
4100000131231021021221
5121010310030013001
62201200531525305
7142321162506662
oct20003555111151
93804276785465
101100010001001
11394569a7198a
12159233159835
137c965b9a422
143b35294c369
151d9317c92bb
hex1001db49269

1100010001001 has 2 divisors, whose sum is σ = 1100010001002. Its totient is φ = 1100010001000.

The previous prime is 1100010000989. The next prime is 1100010001003. The reversal of 1100010001001 is 1001000100011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669443058025 + 430566942976 = 818195^2 + 656176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100010001001 - 26 = 1100010000937 is a prime.

It is a Sophie Germain prime.

Together with 1100010001003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1100010001003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550005000500 + 550005000501.

It is an arithmetic number, because the mean of its divisors is an integer number (550005000501).

Almost surely, 21100010001001 is an apocalyptic number.

It is an amenable number.

1100010001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100010001001 is an equidigital number, since it uses as much as digits as its factorization.

1100010001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1100010001001 its reverse (1001000100011), we get a palindrome (2101010101012).

The spelling of 1100010001001 in words is "one trillion, one hundred billion, ten million, one thousand, one".