201201221087 has 2 divisors, whose sum is σ = 201201221088. Its totient is φ = 201201221086.

The previous prime is 201201221059. The next prime is 201201221093. The reversal of 201201221087 is 780122102102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201201221087 - 2¹⁴ = 201201204703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201221057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600610543 + 100600610544.

It is an arithmetic number, because the mean of its divisors is an integer number (100600610544).

Almost surely, 2^201201221087 is an apocalyptic number.

201201221087 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201221087 is an equidigital number, since it uses as much as digits as its factorization.

201201221087 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 26.

Adding to 201201221087 its reverse (780122102102), we get a palindrome (981323323189).

The spelling of 201201221087 in words is "two hundred one billion, two hundred one million, two hundred twenty-one thousand, eighty-seven".