Search a number
-
+
212020110012101 is a prime number
BaseRepresentation
bin110000001101010011000111…
…010101111010111011000101
31000210200220222000020121211212
4300031103013111322323011
5210242214141130341401
62030532405514541205
762441642655526106
oct6015230725727305
91023626860217755
10212020110012101
1161613250826966
121b942b01a37805
13913c5450940c1
143a4db843643ad
15197a1e270bdbb
hexc0d4c757aec5

212020110012101 has 2 divisors, whose sum is σ = 212020110012102. Its totient is φ = 212020110012100.

The previous prime is 212020110012083. The next prime is 212020110012131. The reversal of 212020110012101 is 101210011020212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199985274808225 + 12034835203876 = 14141615^2 + 3469126^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020110012101 - 218 = 212020109749957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212020110012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010055006050 + 106010055006051.

It is an arithmetic number, because the mean of its divisors is an integer number (106010055006051).

Almost surely, 2212020110012101 is an apocalyptic number.

It is an amenable number.

212020110012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

212020110012101 is an equidigital number, since it uses as much as digits as its factorization.

212020110012101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212020110012101 its reverse (101210011020212), we get a palindrome (313230121032313).

The spelling of 212020110012101 in words is "two hundred twelve trillion, twenty billion, one hundred ten million, twelve thousand, one hundred one".