201106229 has 2 divisors, whose sum is σ = 201106230. Its totient is φ = 201106228.

The previous prime is 201106223. The next prime is 201106231. The reversal of 201106229 is 922601102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184905604 + 16200625 = 13598^2 + 4025^2 .

It is a cyclic number.

It is not a de Polignac number, because 201106229 - 2²⁰ = 200057653 is a prime.

Together with 201106231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201106223) 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, 100553114 + 100553115.

It is an arithmetic number, because the mean of its divisors is an integer number (100553115).

Almost surely, 2^201106229 is an apocalyptic number.

It is an amenable number.

201106229 is a deficient number, since it is larger than the sum of its proper divisors (1).

201106229 is an equidigital number, since it uses as much as digits as its factorization.

201106229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 201106229 is about 14181.1927918635. The cubic root of 201106229 is about 585.8797768876.

The spelling of 201106229 in words is "two hundred one million, one hundred six thousand, two hundred twenty-nine".