206228185103 has 2 divisors, whose sum is σ = 206228185104. Its totient is φ = 206228185102.

The previous prime is 206228185099. The next prime is 206228185109. The reversal of 206228185103 is 301581822602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206228185103 - 2² = 206228185099 is a prime.

It is a super-2 number, since 2×206228185103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206228185109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103114092551 + 103114092552.

It is an arithmetic number, because the mean of its divisors is an integer number (103114092552).

Almost surely, 2^206228185103 is an apocalyptic number.

206228185103 is a deficient number, since it is larger than the sum of its proper divisors (1).

206228185103 is an equidigital number, since it uses as much as digits as its factorization.

206228185103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 206228185103 in words is "two hundred six billion, two hundred twenty-eight million, one hundred eighty-five thousand, one hundred three".