1210112201 has 2 divisors, whose sum is σ = 1210112202. Its totient is φ = 1210112200.

The previous prime is 1210112153. The next prime is 1210112213. The reversal of 1210112201 is 1022110121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782656576 + 427455625 = 27976^2 + 20675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210112201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1210112221) 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, 605056100 + 605056101.

It is an arithmetic number, because the mean of its divisors is an integer number (605056101).

Almost surely, 2^1210112201 is an apocalyptic number.

It is an amenable number.

1210112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210112201 is an equidigital number, since it uses as much as digits as its factorization.

1210112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1210112201 is about 34786.6670004472. The cubic root of 1210112201 is about 1065.6351728386.

Adding to 1210112201 its reverse (1022110121), we get a palindrome (2232222322).

The spelling of 1210112201 in words is "one billion, two hundred ten million, one hundred twelve thousand, two hundred one".