Search a number
-
+
10010200121 is a prime number
BaseRepresentation
bin10010101001010011…
…11000100000111001
3221211121221212001122
421110221320200321
5131000102400441
64333145155025
7503030203625
oct112451704071
927747855048
1010010200121
114277551569
121b3448ba75
13c36b4c14c
146ad65a185
153d8c2534b
hex254a78839

10010200121 has 2 divisors, whose sum is σ = 10010200122. Its totient is φ = 10010200120.

The previous prime is 10010200073. The next prime is 10010200129. The reversal of 10010200121 is 12100201001.

It is an a-pointer prime, because the next prime (10010200129) can be obtained adding 10010200121 to its sum of digits (8).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8110983721 + 1899216400 = 90061^2 + 43580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10010200121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10010200099 and 10010200108.

It is not a weakly prime, because it can be changed into another prime (10010200129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005100060 + 5005100061.

It is an arithmetic number, because the mean of its divisors is an integer number (5005100061).

Almost surely, 210010200121 is an apocalyptic number.

It is an amenable number.

10010200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010200121 is an equidigital number, since it uses as much as digits as its factorization.

10010200121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10010200121 its reverse (12100201001), we get a palindrome (22110401122).

The spelling of 10010200121 in words is "ten billion, ten million, two hundred thousand, one hundred twenty-one".