210010211020987 has 4 divisors (see below), whose sum is σ = 226164842638000. Its totient is φ = 193855579403976.

The previous prime is 210010211020963. The next prime is 210010211020997. The reversal of 210010211020987 is 789020112010012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210010211020987 - 2¹⁵ = 210010210988219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210010211020997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8077315808487 + ... + 8077315808512.

It is an arithmetic number, because the mean of its divisors is an integer number (56541210659500).

Almost surely, 2^{210010211020987} is an apocalyptic number.

210010211020987 is a deficient number, since it is larger than the sum of its proper divisors (16154631617013).

210010211020987 is a wasteful number, since it uses less digits than its factorization.

210010211020987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154631617012.

The product of its (nonzero) digits is 4032, while the sum is 34.

Adding to 210010211020987 its reverse (789020112010012), we get a palindrome (999030323030999).

The spelling of 210010211020987 in words is "two hundred ten trillion, ten billion, two hundred eleven million, twenty thousand, nine hundred eighty-seven".