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2201112191 is a prime number
BaseRepresentation
bin1000001100110010…
…0100111001111111
312200101210002021202
42003030210321333
514001441042231
61002225250115
7105355100465
oct20314447177
95611702252
102201112191
11a2a51a193
1251519393b
13291030965
1416c48a835
15cd38b5cb
hex83324e7f

2201112191 has 2 divisors, whose sum is σ = 2201112192. Its totient is φ = 2201112190.

The previous prime is 2201112139. The next prime is 2201112217. The reversal of 2201112191 is 1912111022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2201112191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201112491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100556095 + 1100556096.

It is an arithmetic number, because the mean of its divisors is an integer number (1100556096).

Almost surely, 22201112191 is an apocalyptic number.

2201112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201112191 is an equidigital number, since it uses as much as digits as its factorization.

2201112191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 2201112191 is about 46916.0120960851. The cubic root of 2201112191 is about 1300.8105775202.

The spelling of 2201112191 in words is "two billion, two hundred one million, one hundred twelve thousand, one hundred ninety-one".