Search a number
-
+
2000210221001 is a prime number
BaseRepresentation
bin11101000110110101110…
…100011101011111001001
321002012220002102011222002
4131012311310131133021
5230232412304033001
64130514530440345
7264340034232206
oct35066564353711
97065802364862
102000210221001
11701314584a53
122837a24330b5
13116807c899b5
146cb4c772cad
153706b6a546b
hex1d1b5d1d7c9

2000210221001 has 2 divisors, whose sum is σ = 2000210221002. Its totient is φ = 2000210221000.

The previous prime is 2000210220997. The next prime is 2000210221013. The reversal of 2000210221001 is 1001220120002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1497444137401 + 502766083600 = 1223701^2 + 709060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000210221001 - 22 = 2000210220997 is a prime.

It is a super-2 number, since 2×20002102210012 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2000210821001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000105110500 + 1000105110501.

It is an arithmetic number, because the mean of its divisors is an integer number (1000105110501).

Almost surely, 22000210221001 is an apocalyptic number.

It is an amenable number.

2000210221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000210221001 is an equidigital number, since it uses as much as digits as its factorization.

2000210221001 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 11.

Adding to 2000210221001 its reverse (1001220120002), we get a palindrome (3001430341003).

The spelling of 2000210221001 in words is "two trillion, two hundred ten million, two hundred twenty-one thousand, one".