210010121121187 has 2 divisors, whose sum is σ = 210010121121188. Its totient is φ = 210010121121186.

The previous prime is 210010121121133. The next prime is 210010121121223. The reversal of 210010121121187 is 781121121010012.

210010121121187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210010121121187 - 2¹⁵ = 210010121088419 is a prime.

It is not a weakly prime, because it can be changed into another prime (210010121121287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005060560593 + 105005060560594.

It is an arithmetic number, because the mean of its divisors is an integer number (105005060560594).

Almost surely, 2^{210010121121187} is an apocalyptic number.

210010121121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010121121187 is an equidigital number, since it uses as much as digits as its factorization.

210010121121187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 28.

Adding to 210010121121187 its reverse (781121121010012), we get a palindrome (991131242131199).

The spelling of 210010121121187 in words is "two hundred ten trillion, ten billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred eighty-seven".