1100012187203 has 2 divisors, whose sum is σ = 1100012187204. Its totient is φ = 1100012187202.

The previous prime is 1100012187151. The next prime is 1100012187229. The reversal of 1100012187203 is 3027812100011.

It is an a-pointer prime, because the next prime (1100012187229) can be obtained adding 1100012187203 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100012187203 - 2²⁰ = 1100011138627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1100012187283) 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, 550006093601 + 550006093602.

It is an arithmetic number, because the mean of its divisors is an integer number (550006093602).

Almost surely, 2^{1100012187203} is an apocalyptic number.

1100012187203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100012187203 is an equidigital number, since it uses as much as digits as its factorization.

1100012187203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 1100012187203 its reverse (3027812100011), we get a palindrome (4127824287214).

The spelling of 1100012187203 in words is "one trillion, one hundred billion, twelve million, one hundred eighty-seven thousand, two hundred three".