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22012210127 is a prime number
BaseRepresentation
bin10100100000000001…
…111010101111001111
32002211001212010121202
4110200001322233033
5330040111211002
614040130020115
71406324461505
oct244001725717
962731763552
1022012210127
1193763562a6
124323a1763b
1320ca53880b
1410cb63c675
1588c741502
hex52007abcf

22012210127 has 2 divisors, whose sum is σ = 22012210128. Its totient is φ = 22012210126.

The previous prime is 22012210123. The next prime is 22012210189. The reversal of 22012210127 is 72101221022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012210127 - 22 = 22012210123 is a prime.

It is a super-2 number, since 2×220122101272 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22012210099 and 22012210108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012210123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006105063 + 11006105064.

It is an arithmetic number, because the mean of its divisors is an integer number (11006105064).

Almost surely, 222012210127 is an apocalyptic number.

22012210127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012210127 is an equidigital number, since it uses as much as digits as its factorization.

22012210127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 22012210127 its reverse (72101221022), we get a palindrome (94113431149).

The spelling of 22012210127 in words is "twenty-two billion, twelve million, two hundred ten thousand, one hundred twenty-seven".