1210244111201 has 2 divisors, whose sum is σ = 1210244111202. Its totient is φ = 1210244111200.

The previous prime is 1210244111171. The next prime is 1210244111221. The reversal of 1210244111201 is 1021114420121.

It is an a-pointer prime, because the next prime (1210244111221) can be obtained adding 1210244111201 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043962845025 + 166281266176 = 1021745^2 + 407776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210244111201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210244111221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605122055600 + 605122055601.

It is an arithmetic number, because the mean of its divisors is an integer number (605122055601).

Almost surely, 2^{1210244111201} is an apocalyptic number.

It is an amenable number.

1210244111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210244111201 is an equidigital number, since it uses as much as digits as its factorization.

1210244111201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1210244111201 its reverse (1021114420121), we get a palindrome (2231358531322).

The spelling of 1210244111201 in words is "one trillion, two hundred ten billion, two hundred forty-four million, one hundred eleven thousand, two hundred one".