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2011120201 is a prime number
BaseRepresentation
bin111011111011111…
…0100001001001001
312012011021111021101
41313313310021021
513104321321301
6531321141401
7100560145126
oct16767641111
95164244241
102011120201
11942252412
1248162a861
1326086ba6c
1415115174d
15bb85c701
hex77df4249

2011120201 has 2 divisors, whose sum is σ = 2011120202. Its totient is φ = 2011120200.

The previous prime is 2011120183. The next prime is 2011120211. The reversal of 2011120201 is 1020211102.

It is an a-pointer prime, because the next prime (2011120211) can be obtained adding 2011120201 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009714176 + 1001406025 = 31776^2 + 31645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011120201 - 213 = 2011112009 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005560100 + 1005560101.

It is an arithmetic number, because the mean of its divisors is an integer number (1005560101).

Almost surely, 22011120201 is an apocalyptic number.

It is an amenable number.

2011120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011120201 is an equidigital number, since it uses as much as digits as its factorization.

2011120201 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 10.

The square root of 2011120201 is about 44845.5148370492. The cubic root of 2011120201 is about 1262.2518313110.

Adding to 2011120201 its reverse (1020211102), we get a palindrome (3031331303).

Subtracting from 2011120201 its reverse (1020211102), we obtain a palindrome (990909099).

The spelling of 2011120201 in words is "two billion, eleven million, one hundred twenty thousand, two hundred one".