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122201101102217 is a prime number
BaseRepresentation
bin11011110010010000101001…
…001110001110110010001001
3121000200022101211211100200112
4123302100221032032302021
5112004120323340232332
61111522224424244105
734511511126642614
oct3362205116166211
9530608354740615
10122201101102217
1135a34217883625
1211857485610635
13532568c158787
1422267c9d4917b
15e1dae75a9db2
hex6f242938ec89

122201101102217 has 2 divisors, whose sum is σ = 122201101102218. Its totient is φ = 122201101102216.

The previous prime is 122201101102139. The next prime is 122201101102231. The reversal of 122201101102217 is 712201101102221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92969301759481 + 29231799342736 = 9642059^2 + 5406644^2 .

It is a cyclic number.

It is not a de Polignac number, because 122201101102217 - 218 = 122201100840073 is a prime.

It is a super-2 number, since 2×1222011011022172 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122201101102192 and 122201101102201.

It is not a weakly prime, because it can be changed into another prime (122201401102217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100550551108 + 61100550551109.

It is an arithmetic number, because the mean of its divisors is an integer number (61100550551109).

Almost surely, 2122201101102217 is an apocalyptic number.

It is an amenable number.

122201101102217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201101102217 is an equidigital number, since it uses as much as digits as its factorization.

122201101102217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 122201101102217 its reverse (712201101102221), we get a palindrome (834402202204438).

The spelling of 122201101102217 in words is "one hundred twenty-two trillion, two hundred one billion, one hundred one million, one hundred two thousand, two hundred seventeen".