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2221011043 is a prime number
BaseRepresentation
bin1000010001100001…
…1111000001100011
312201210020001101021
42010120133001203
514022034323133
61004215550311
7106016165566
oct20430370143
95653201337
102221011043
11a3a780519
1251b98b397
132951aa024
14170d8a4dd
15ceebc52d
hex8461f063

2221011043 has 2 divisors, whose sum is σ = 2221011044. Its totient is φ = 2221011042.

The previous prime is 2221011029. The next prime is 2221011101. The reversal of 2221011043 is 3401101222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221011043 - 213 = 2221002851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221011343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110505521 + 1110505522.

It is an arithmetic number, because the mean of its divisors is an integer number (1110505522).

Almost surely, 22221011043 is an apocalyptic number.

2221011043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221011043 is an equidigital number, since it uses as much as digits as its factorization.

2221011043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2221011043 is about 47127.6038325735. The cubic root of 2221011043 is about 1304.7187569873.

Adding to 2221011043 its reverse (3401101222), we get a palindrome (5622112265).

The spelling of 2221011043 in words is "two billion, two hundred twenty-one million, eleven thousand, forty-three".