201210100087 has 2 divisors, whose sum is σ = 201210100088. Its totient is φ = 201210100086.

The previous prime is 201210100057. The next prime is 201210100127. The reversal of 201210100087 is 780001012102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201210100087 - 2¹⁵ = 201210067319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201210100057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605050043 + 100605050044.

It is an arithmetic number, because the mean of its divisors is an integer number (100605050044).

Almost surely, 2^201210100087 is an apocalyptic number.

201210100087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210100087 is an equidigital number, since it uses as much as digits as its factorization.

201210100087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 201210100087 its reverse (780001012102), we get a palindrome (981211112189).

The spelling of 201210100087 in words is "two hundred one billion, two hundred ten million, one hundred thousand, eighty-seven".