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122211012112201 is a prime number
BaseRepresentation
bin11011110010011001110111…
…111101101110111101001001
3121000201020222120010211110101
4123302121313331232331021
5112004301123100042301
61111530544111445401
734512311544066505
oct3362316775567511
9530636876124411
10122211012112201
1135a38443337071
1211859390826861
1353265ab58891c
14222708a345305
15e1dec773a701
hex6f2677f6ef49

122211012112201 has 2 divisors, whose sum is σ = 122211012112202. Its totient is φ = 122211012112200.

The previous prime is 122211012112159. The next prime is 122211012112223. The reversal of 122211012112201 is 102211210112221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118483116150025 + 3727895962176 = 10884995^2 + 1930776^2 .

It is a cyclic number.

It is not a de Polignac number, because 122211012112201 - 27 = 122211012112073 is a prime.

It is not a weakly prime, because it can be changed into another prime (122211012112901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105506056100 + 61105506056101.

It is an arithmetic number, because the mean of its divisors is an integer number (61105506056101).

Almost surely, 2122211012112201 is an apocalyptic number.

It is an amenable number.

122211012112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211012112201 is an equidigital number, since it uses as much as digits as its factorization.

122211012112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122211012112201 its reverse (102211210112221), we get a palindrome (224422222224422).

The spelling of 122211012112201 in words is "one hundred twenty-two trillion, two hundred eleven billion, twelve million, one hundred twelve thousand, two hundred one".