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222120112127 is a prime number
BaseRepresentation
bin1100111011011101100…
…0111110111111111111
3210020022221011210211112
43032313120332333333
512114400222042002
6250012432512235
722022225541554
oct3166730767777
9706287153745
10222120112127
1186223015901
123706b6ab67b
1317c3b007114
14aa71baaa2b
155ba03cb852
hex33b763efff

222120112127 has 2 divisors, whose sum is σ = 222120112128. Its totient is φ = 222120112126.

The previous prime is 222120112079. The next prime is 222120112141. The reversal of 222120112127 is 721211021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222120112127 - 26 = 222120112063 is a prime.

It is a super-2 number, since 2×2221201121272 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120112157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060056063 + 111060056064.

It is an arithmetic number, because the mean of its divisors is an integer number (111060056064).

Almost surely, 2222120112127 is an apocalyptic number.

222120112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120112127 is an equidigital number, since it uses as much as digits as its factorization.

222120112127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 222120112127 its reverse (721211021222), we get a palindrome (943331133349).

The spelling of 222120112127 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-seven".