201120201012187 has 2 divisors, whose sum is σ = 201120201012188. Its totient is φ = 201120201012186.

The previous prime is 201120201012167. The next prime is 201120201012223. The reversal of 201120201012187 is 781210102021102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201120201012187 is a prime.

It is not a weakly prime, because it can be changed into another prime (201120201012167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100560100506093 + 100560100506094.

It is an arithmetic number, because the mean of its divisors is an integer number (100560100506094).

Almost surely, 2^{201120201012187} is an apocalyptic number.

201120201012187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201120201012187 is an equidigital number, since it uses as much as digits as its factorization.

201120201012187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 201120201012187 its reverse (781210102021102), we get a palindrome (982330303033289).

The spelling of 201120201012187 in words is "two hundred one trillion, one hundred twenty billion, two hundred one million, twelve thousand, one hundred eighty-seven".