1201010201 has 2 divisors, whose sum is σ = 1201010202. Its totient is φ = 1201010200.

The previous prime is 1201010149. The next prime is 1201010207. The reversal of 1201010201 is 1020101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882030601 + 318979600 = 29699^2 + 17860^2 .

It is an emirp because it is prime and its reverse (1020101021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201010201 - 2⁶ = 1201010137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201010207) 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, 600505100 + 600505101.

It is an arithmetic number, because the mean of its divisors is an integer number (600505101).

Almost surely, 2^1201010201 is an apocalyptic number.

It is an amenable number.

1201010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201010201 is an equidigital number, since it uses as much as digits as its factorization.

1201010201 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 1201010201 is about 34655.5940794556. The cubic root of 1201010201 is about 1062.9566796421.

Adding to 1201010201 its reverse (1020101021), we get a palindrome (2221111222).

It can be divided in two parts, 120101020 and 1, that added together give a palindrome (120101021).

The spelling of 1201010201 in words is "one billion, two hundred one million, ten thousand, two hundred one".