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122100202020217 is a prime number
BaseRepresentation
bin11011110000110010101011…
…001010110001110101111001
3121000022122222000101220210111
4123300302223022301311321
5112000442203204121332
61111404020342544321
734501306554621031
oct3360625312616571
9530278860356714
10122100202020217
11359a544a992953
121183ba067380a1
135318ccc2b4465
14222197772a8c1
15e1b18e475947
hex6f0cab2b1d79

122100202020217 has 2 divisors, whose sum is σ = 122100202020218. Its totient is φ = 122100202020216.

The previous prime is 122100202020163. The next prime is 122100202020241. The reversal of 122100202020217 is 712020202001221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67497989392656 + 54602212627561 = 8215716^2 + 7389331^2 .

It is a cyclic number.

It is not a de Polignac number, because 122100202020217 - 231 = 122098054536569 is a prime.

It is not a weakly prime, because it can be changed into another prime (122100202020317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050101010108 + 61050101010109.

It is an arithmetic number, because the mean of its divisors is an integer number (61050101010109).

Almost surely, 2122100202020217 is an apocalyptic number.

It is an amenable number.

122100202020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122100202020217 is an equidigital number, since it uses as much as digits as its factorization.

122100202020217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 122100202020217 its reverse (712020202001221), we get a palindrome (834120404021438).

The spelling of 122100202020217 in words is "one hundred twenty-two trillion, one hundred billion, two hundred two million, twenty thousand, two hundred seventeen".