Search a number
-
+
10201010212021 is a prime number
BaseRepresentation
bin1001010001110001101110…
…0101110000110010110101
31100010012120221102000200211
42110130123211300302311
52314113132103241041
633410140203305421
72101666354063666
oct224343345606265
940105527360624
1010201010212021
113283251363492
12118903581b271
1358cc4984ba95
14273a3545936d
1512a541e14481
hex9471b970cb5

10201010212021 has 2 divisors, whose sum is σ = 10201010212022. Its totient is φ = 10201010212020.

The previous prime is 10201010211883. The next prime is 10201010212031. The reversal of 10201010212021 is 12021201010201.

10201010212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5850177413796 + 4350832798225 = 2418714^2 + 2085865^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201010212021 - 217 = 10201010080949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10201010211992 and 10201010212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201010212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100505106010 + 5100505106011.

It is an arithmetic number, because the mean of its divisors is an integer number (5100505106011).

Almost surely, 210201010212021 is an apocalyptic number.

It is an amenable number.

10201010212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201010212021 is an equidigital number, since it uses as much as digits as its factorization.

10201010212021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10201010212021 its reverse (12021201010201), we get a palindrome (22222211222222).

The spelling of 10201010212021 in words is "ten trillion, two hundred one billion, ten million, two hundred twelve thousand, twenty-one".