20002111300187 has 2 divisors, whose sum is σ = 20002111300188. Its totient is φ = 20002111300186.

The previous prime is 20002111300121. The next prime is 20002111300189. The reversal of 20002111300187 is 78100311120002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002111300187 - 2⁴² = 15604064789083 is a prime.

Together with 20002111300189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20002111300189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001055650093 + 10001055650094.

It is an arithmetic number, because the mean of its divisors is an integer number (10001055650094).

Almost surely, 2^{20002111300187} is an apocalyptic number.

20002111300187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002111300187 is an equidigital number, since it uses as much as digits as its factorization.

20002111300187 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 20002111300187 its reverse (78100311120002), we get a palindrome (98102422420189).

The spelling of 20002111300187 in words is "twenty trillion, two billion, one hundred eleven million, three hundred thousand, one hundred eighty-seven".