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201012101 is a prime number
BaseRepresentation
bin10111111101100…
…11001110000101
3112000020110202122
423332303032011
5402424341401
631540215325
74660401053
oct1376631605
9460213678
10201012101
11a3514404
125739a545
133284cb94
141c9a71d3
15129a921b
hexbfb3385

201012101 has 2 divisors, whose sum is σ = 201012102. Its totient is φ = 201012100.

The previous prime is 201012073. The next prime is 201012109. The reversal of 201012101 is 101210102.

It is an a-pointer prime, because the next prime (201012109) can be obtained adding 201012101 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., 167081476 + 33930625 = 12926^2 + 5825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201012101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506050 + 100506051.

It is an arithmetic number, because the mean of its divisors is an integer number (100506051).

Almost surely, 2201012101 is an apocalyptic number.

It is an amenable number.

201012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012101 is an equidigital number, since it uses as much as digits as its factorization.

201012101 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.

The square root of 201012101 is about 14177.8736416996. The cubic root of 201012101 is about 585.7883553901.

Adding to 201012101 its reverse (101210102), we get a palindrome (302222203).

The spelling of 201012101 in words is "two hundred one million, twelve thousand, one hundred one".