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120110221291 is a prime number
BaseRepresentation
bin110111111011100100…
…0001000011111101011
3102111000200120102200111
41233313020020133223
53431441204040131
6131102230515151
711451305015164
oct1576710103753
9374020512614
10120110221291
1146a360a7aa5
121b340805ab7
13b431c99378
145b55c3876b
1531ce9c8ab1
hex1bf72087eb

120110221291 has 2 divisors, whose sum is σ = 120110221292. Its totient is φ = 120110221290.

The previous prime is 120110221207. The next prime is 120110221321. The reversal of 120110221291 is 192122011021.

It is a strong prime.

It is an emirp because it is prime and its reverse (192122011021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120110221291 is a prime.

It is not a weakly prime, because it can be changed into another prime (120110221991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055110645 + 60055110646.

It is an arithmetic number, because the mean of its divisors is an integer number (60055110646).

Almost surely, 2120110221291 is an apocalyptic number.

120110221291 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110221291 is an equidigital number, since it uses as much as digits as its factorization.

120110221291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 120110221291 in words is "one hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred ninety-one".