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10220101 is a prime number
BaseRepresentation
bin100110111111…
…001001000101
3201020020100021
4212333021011
510104020401
61003015141
7152604133
oct46771105
921206307
1010220101
115850571
12350a4b1
13216aac8
141500753
15d6d2a1
hex9bf245

10220101 has 2 divisors, whose sum is σ = 10220102. Its totient is φ = 10220100.

The previous prime is 10220083. The next prime is 10220107. The reversal of 10220101 is 10102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9828225 + 391876 = 3135^2 + 626^2 .

It is an emirp because it is prime and its reverse (10102201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10220101 - 25 = 10220069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110050 + 5110051.

It is an arithmetic number, because the mean of its divisors is an integer number (5110051).

Almost surely, 210220101 is an apocalyptic number.

It is an amenable number.

10220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220101 is an equidigital number, since it uses as much as digits as its factorization.

10220101 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 7.

The square root of 10220101 is about 3196.8892692741. The cubic root of 10220101 is about 217.0126561456.

Adding to 10220101 its reverse (10102201), we get a palindrome (20322302).

The spelling of 10220101 in words is "ten million, two hundred twenty thousand, one hundred one".