212110100102687 has 2 divisors, whose sum is σ = 212110100102688. Its totient is φ = 212110100102686.

The previous prime is 212110100102671. The next prime is 212110100102701. The reversal of 212110100102687 is 786201001011212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212110100102687 - 2⁴ = 212110100102671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212110100102627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055050051343 + 106055050051344.

It is an arithmetic number, because the mean of its divisors is an integer number (106055050051344).

Almost surely, 2^{212110100102687} is an apocalyptic number.

212110100102687 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110100102687 is an equidigital number, since it uses as much as digits as its factorization.

212110100102687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 32.

Adding to 212110100102687 its reverse (786201001011212), we get a palindrome (998311101113899).

The spelling of 212110100102687 in words is "two hundred twelve trillion, one hundred ten billion, one hundred million, one hundred two thousand, six hundred eighty-seven".