100210210111987 has 2 divisors, whose sum is σ = 100210210111988. Its totient is φ = 100210210111986.

The previous prime is 100210210111919. The next prime is 100210210112041. The reversal of 100210210111987 is 789111012012001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100210210111987 - 2¹⁵ = 100210210079219 is a prime.

It is not a weakly prime, because it can be changed into another prime (100210810111987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105105055993 + 50105105055994.

It is an arithmetic number, because the mean of its divisors is an integer number (50105105055994).

Almost surely, 2^{100210210111987} is an apocalyptic number.

100210210111987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100210210111987 is an equidigital number, since it uses as much as digits as its factorization.

100210210111987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 34.

Adding to 100210210111987 its reverse (789111012012001), we get a palindrome (889321222123988).

The spelling of 100210210111987 in words is "one hundred trillion, two hundred ten billion, two hundred ten million, one hundred eleven thousand, nine hundred eighty-seven".