1101011100187 has 2 divisors, whose sum is σ = 1101011100188. Its totient is φ = 1101011100186.

The previous prime is 1101011100143. The next prime is 1101011100209. The reversal of 1101011100187 is 7810011101011.

It is an a-pointer prime, because the next prime (1101011100209) can be obtained adding 1101011100187 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101011100187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101011101187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550505550093 + 550505550094.

It is an arithmetic number, because the mean of its divisors is an integer number (550505550094).

Almost surely, 2^{1101011100187} is an apocalyptic number.

1101011100187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101011100187 is an equidigital number, since it uses as much as digits as its factorization.

1101011100187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 22.

Adding to 1101011100187 its reverse (7810011101011), we get a palindrome (8911022201198).

The spelling of 1101011100187 in words is "one trillion, one hundred one billion, eleven million, one hundred thousand, one hundred eighty-seven".