Search a number
-
+
20022110210101 is a prime number
BaseRepresentation
bin1001000110101110000101…
…10001000100100000110101
32121220002120021201112222011
410203113002301010200311
510111020240203210401
6110330010324404221
74134356361505546
oct443270261044065
977802507645864
1020022110210101
11641a36926914a
1222b4504246671
13b230ccc128ac
144d310a8ca4cd
1524ac4aed4451
hex1235c2c44835

20022110210101 has 2 divisors, whose sum is σ = 20022110210102. Its totient is φ = 20022110210100.

The previous prime is 20022110210099. The next prime is 20022110210107. The reversal of 20022110210101 is 10101201122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19196438127876 + 825672082225 = 4381374^2 + 908665^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022110210101 - 21 = 20022110210099 is a prime.

Together with 20022110210099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022110210107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011055105050 + 10011055105051.

It is an arithmetic number, because the mean of its divisors is an integer number (10011055105051).

Almost surely, 220022110210101 is an apocalyptic number.

It is an amenable number.

20022110210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022110210101 is an equidigital number, since it uses as much as digits as its factorization.

20022110210101 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 20022110210101 its reverse (10101201122002), we get a palindrome (30123311332103).

The spelling of 20022110210101 in words is "twenty trillion, twenty-two billion, one hundred ten million, two hundred ten thousand, one hundred one".