Search a number
-
+
112122021002281 is a prime number
BaseRepresentation
bin11001011111100101110001…
…001110111011110000101001
3112200222202112102102210111221
4121133211301032323300221
5104144001344334033111
61034244051222222041
732421356126444143
oct3137456116736051
9480882472383457
10112122021002281
11327a8755928014
12106a9bb9b84921
134a740a463b914
141d98a402dbc93
15ce683ed06371
hex65f9713bbc29

112122021002281 has 2 divisors, whose sum is σ = 112122021002282. Its totient is φ = 112122021002280.

The previous prime is 112122021002279. The next prime is 112122021002347. The reversal of 112122021002281 is 182200120221211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97652244067225 + 14469776935056 = 9881915^2 + 3803916^2 .

It is a cyclic number.

It is not a de Polignac number, because 112122021002281 - 21 = 112122021002279 is a prime.

It is a super-2 number, since 2×1121220210022812 (a number of 29 digits) contains 22 as substring.

Together with 112122021002279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112122021000281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061010501140 + 56061010501141.

It is an arithmetic number, because the mean of its divisors is an integer number (56061010501141).

Almost surely, 2112122021002281 is an apocalyptic number.

It is an amenable number.

112122021002281 is a deficient number, since it is larger than the sum of its proper divisors (1).

112122021002281 is an equidigital number, since it uses as much as digits as its factorization.

112122021002281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 112122021002281 its reverse (182200120221211), we get a palindrome (294322141223492).

The spelling of 112122021002281 in words is "one hundred twelve trillion, one hundred twenty-two billion, twenty-one million, two thousand, two hundred eighty-one".