11223012220187 has 2 divisors, whose sum is σ = 11223012220188. Its totient is φ = 11223012220186.

The previous prime is 11223012220181. The next prime is 11223012220201. The reversal of 11223012220187 is 78102221032211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11223012220187 - 2⁸ = 11223012219931 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223012220181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611506110093 + 5611506110094.

It is an arithmetic number, because the mean of its divisors is an integer number (5611506110094).

Almost surely, 2^{11223012220187} is an apocalyptic number.

11223012220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223012220187 is an equidigital number, since it uses as much as digits as its factorization.

11223012220187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

Adding to 11223012220187 its reverse (78102221032211), we get a palindrome (89325233252398).

The spelling of 11223012220187 in words is "eleven trillion, two hundred twenty-three billion, twelve million, two hundred twenty thousand, one hundred eighty-seven".