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2111041001 is a prime number
BaseRepresentation
bin111110111010011…
…1110110111101001
312110010021222211202
41331310332313221
513310411303001
6545250533545
7103212360326
oct17564766751
95403258752
102111041001
1199369a393
124aab972b5
132784854b4
14160521b4d
15c54e896b
hex7dd3ede9

2111041001 has 2 divisors, whose sum is σ = 2111041002. Its totient is φ = 2111041000.

The previous prime is 2111040979. The next prime is 2111041021. The reversal of 2111041001 is 1001401112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1193011600 + 918029401 = 34540^2 + 30299^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111041001 - 210 = 2111039977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2111041021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055520500 + 1055520501.

It is an arithmetic number, because the mean of its divisors is an integer number (1055520501).

Almost surely, 22111041001 is an apocalyptic number.

It is an amenable number.

2111041001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111041001 is an equidigital number, since it uses as much as digits as its factorization.

2111041001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2111041001 is about 45946.0662189920. The cubic root of 2111041001 is about 1282.8195092767.

Adding to 2111041001 its reverse (1001401112), we get a palindrome (3112442113).

The spelling of 2111041001 in words is "two billion, one hundred eleven million, forty-one thousand, one".