201233102209 has 2 divisors, whose sum is σ = 201233102210. Its totient is φ = 201233102208.

The previous prime is 201233102207. The next prime is 201233102227. The reversal of 201233102209 is 902201332102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199181012209 + 2052090000 = 446297^2 + 45300^2 .

It is a cyclic number.

It is not a de Polignac number, because 201233102209 - 2¹ = 201233102207 is a prime.

It is a super-2 number, since 2×201233102209² (a number of 23 digits) contains 22 as substring.

Together with 201233102207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201233102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616551104 + 100616551105.

It is an arithmetic number, because the mean of its divisors is an integer number (100616551105).

Almost surely, 2^201233102209 is an apocalyptic number.

It is an amenable number.

201233102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233102209 is an equidigital number, since it uses as much as digits as its factorization.

201233102209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 201233102209 in words is "two hundred one billion, two hundred thirty-three million, one hundred two thousand, two hundred nine".