201020100010087 has 2 divisors, whose sum is σ = 201020100010088. Its totient is φ = 201020100010086.

The previous prime is 201020100010069. The next prime is 201020100010111. The reversal of 201020100010087 is 780010001020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201020100010087 - 2⁷ = 201020100009959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020100013087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510050005043 + 100510050005044.

It is an arithmetic number, because the mean of its divisors is an integer number (100510050005044).

Almost surely, 2^{201020100010087} is an apocalyptic number.

201020100010087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020100010087 is an equidigital number, since it uses as much as digits as its factorization.

201020100010087 is an evil number, because the sum of its binary digits is even.

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

Adding to 201020100010087 its reverse (780010001020102), we get a palindrome (981030101030189).

The spelling of 201020100010087 in words is "two hundred one trillion, twenty billion, one hundred million, ten thousand, eighty-seven".