2002001201087 has 2 divisors, whose sum is σ = 2002001201088. Its totient is φ = 2002001201086.

The previous prime is 2002001200961. The next prime is 2002001201119. The reversal of 2002001201087 is 7801021002002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002001201087 - 2¹⁶ = 2002001135551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002001201587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000600543 + 1001000600544.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000600544).

Almost surely, 2^{2002001201087} is an apocalyptic number.

2002001201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002001201087 is an equidigital number, since it uses as much as digits as its factorization.

2002001201087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2002001201087 its reverse (7801021002002), we get a palindrome (9803022203089).

The spelling of 2002001201087 in words is "two trillion, two billion, one million, two hundred one thousand, eighty-seven".