1100111201213 has 2 divisors, whose sum is σ = 1100111201214. Its totient is φ = 1100111201212.

The previous prime is 1100111201191. The next prime is 1100111201227. The reversal of 1100111201213 is 3121021110011.

It is an a-pointer prime, because the next prime (1100111201227) can be obtained adding 1100111201213 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1099054496164 + 1056705049 = 1048358^2 + 32507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100111201213 - 2¹² = 1100111197117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100111201113) 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, 550055600606 + 550055600607.

It is an arithmetic number, because the mean of its divisors is an integer number (550055600607).

Almost surely, 2^{1100111201213} is an apocalyptic number.

It is an amenable number.

1100111201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100111201213 is an equidigital number, since it uses as much as digits as its factorization.

1100111201213 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 14.

Adding to 1100111201213 its reverse (3121021110011), we get a palindrome (4221132311224).

The spelling of 1100111201213 in words is "one trillion, one hundred billion, one hundred eleven million, two hundred one thousand, two hundred thirteen".