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2221102099 is a prime number
BaseRepresentation
bin1000010001100011…
…0101010000010011
312201210101200021201
42010120311100103
514022100231344
61004221532031
7106020025216
oct20430652023
95653350251
102221102099
11a3a832977
1251ba14017
1329520c5c8
14170db177d
15ceed94d4
hex84635413

2221102099 has 2 divisors, whose sum is σ = 2221102100. Its totient is φ = 2221102098.

The previous prime is 2221102087. The next prime is 2221102127. The reversal of 2221102099 is 9902011222.

It is an a-pointer prime, because the next prime (2221102127) can be obtained adding 2221102099 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221102099 - 29 = 2221101587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221102999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110551049 + 1110551050.

It is an arithmetic number, because the mean of its divisors is an integer number (1110551050).

Almost surely, 22221102099 is an apocalyptic number.

2221102099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221102099 is an equidigital number, since it uses as much as digits as its factorization.

2221102099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2221102099 is about 47128.5698806998. The cubic root of 2221102099 is about 1304.7365868323.

The spelling of 2221102099 in words is "two billion, two hundred twenty-one million, one hundred two thousand, ninety-nine".