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2221101089 is a prime number
BaseRepresentation
bin1000010001100011…
…0101000000100001
312201210101121220022
42010120311000201
514022100213324
61004221523225
7106020022244
oct20430650041
95653347808
102221101089
11a3a832139
1251ba13515
1329520bccc
14170db125b
15ceed905e
hex84635021

2221101089 has 2 divisors, whose sum is σ = 2221101090. Its totient is φ = 2221101088.

The previous prime is 2221101041. The next prime is 2221101101. The reversal of 2221101089 is 9801011222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1666027489 + 555073600 = 40817^2 + 23560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221101089 - 224 = 2204323873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221101019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110550544 + 1110550545.

It is an arithmetic number, because the mean of its divisors is an integer number (1110550545).

Almost surely, 22221101089 is an apocalyptic number.

It is an amenable number.

2221101089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221101089 is an equidigital number, since it uses as much as digits as its factorization.

2221101089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 2221101089 is about 47128.5591653299. The cubic root of 2221101089 is about 1304.7363890650.

The spelling of 2221101089 in words is "two billion, two hundred twenty-one million, one hundred one thousand, eighty-nine".