10010001220187 has 2 divisors, whose sum is σ = 10010001220188. Its totient is φ = 10010001220186.

The previous prime is 10010001220181. The next prime is 10010001220283. The reversal of 10010001220187 is 78102210001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10010001220187 - 2⁸ = 10010001219931 is a prime.

It is not a weakly prime, because it can be changed into another prime (10010001220181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000610093 + 5005000610094.

It is an arithmetic number, because the mean of its divisors is an integer number (5005000610094).

Almost surely, 2^{10010001220187} is an apocalyptic number.

10010001220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010001220187 is an equidigital number, since it uses as much as digits as its factorization.

10010001220187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 10010001220187 its reverse (78102210001001), we get a palindrome (88112211221188).

The spelling of 10010001220187 in words is "ten trillion, ten billion, one million, two hundred twenty thousand, one hundred eighty-seven".