1201160101 has 2 divisors, whose sum is σ = 1201160102. Its totient is φ = 1201160100.

The previous prime is 1201160099. The next prime is 1201160111. The reversal of 1201160101 is 1010611021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 877699876 + 323460225 = 29626^2 + 17985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201160101 - 2¹ = 1201160099 is a prime.

Together with 1201160099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201160111) 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, 600580050 + 600580051.

It is an arithmetic number, because the mean of its divisors is an integer number (600580051).

Almost surely, 2^1201160101 is an apocalyptic number.

It is an amenable number.

1201160101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201160101 is an equidigital number, since it uses as much as digits as its factorization.

1201160101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1201160101 is about 34657.7567219807. The cubic root of 1201160101 is about 1063.0009009089. Note that the first 3 decimals are identical.

Adding to 1201160101 its reverse (1010611021), we get a palindrome (2211771122).

The spelling of 1201160101 in words is "one billion, two hundred one million, one hundred sixty thousand, one hundred one".