210201101221087 has 2 divisors, whose sum is σ = 210201101221088. Its totient is φ = 210201101221086.

The previous prime is 210201101220989. The next prime is 210201101221127. The reversal of 210201101221087 is 780122101102012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210201101221087 - 2⁴³ = 201405008198879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210201101221987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100550610543 + 105100550610544.

It is an arithmetic number, because the mean of its divisors is an integer number (105100550610544).

Almost surely, 2^{210201101221087} is an apocalyptic number.

210201101221087 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201101221087 is an equidigital number, since it uses as much as digits as its factorization.

210201101221087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

Adding to 210201101221087 its reverse (780122101102012), we get a palindrome (990323202323099).

The spelling of 210201101221087 in words is "two hundred ten trillion, two hundred one billion, one hundred one million, two hundred twenty-one thousand, eighty-seven".