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122554311004201 is a prime number
BaseRepresentation
bin11011110111011001100110…
…001011000101000000101001
3121001221002002122120110210011
4123313121212023011000221
5112030412212104113301
61112352401230251521
734546154034401656
oct3367314613050051
9531832078513704
10122554311004201
113605aa9a63982a
12118b3a1a956ba1
13534ca8ba5198b
142239935c22c2d
15e27dbb315a51
hex6f76662c5029

122554311004201 has 2 divisors, whose sum is σ = 122554311004202. Its totient is φ = 122554311004200.

The previous prime is 122554311004127. The next prime is 122554311004217. The reversal of 122554311004201 is 102400113455221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86043229850601 + 36511081153600 = 9275949^2 + 6042440^2 .

It is an emirp because it is prime and its reverse (102400113455221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122554311004201 - 217 = 122554310873129 is a prime.

It is not a weakly prime, because it can be changed into another prime (122554311004501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277155502100 + 61277155502101.

It is an arithmetic number, because the mean of its divisors is an integer number (61277155502101).

Almost surely, 2122554311004201 is an apocalyptic number.

It is an amenable number.

122554311004201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122554311004201 is an equidigital number, since it uses as much as digits as its factorization.

122554311004201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 122554311004201 its reverse (102400113455221), we get a palindrome (224954424459422).

The spelling of 122554311004201 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred eleven million, four thousand, two hundred one".