2002111201087 has 2 divisors, whose sum is σ = 2002111201088. Its totient is φ = 2002111201086.

The previous prime is 2002111201063. The next prime is 2002111201133. The reversal of 2002111201087 is 7801021112002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002111201087 - 2³¹ = 1999963717439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002111208087) 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, 1001055600543 + 1001055600544.

It is an arithmetic number, because the mean of its divisors is an integer number (1001055600544).

Almost surely, 2^{2002111201087} is an apocalyptic number.

2002111201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002111201087 is an equidigital number, since it uses as much as digits as its factorization.

2002111201087 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 25.

Adding to 2002111201087 its reverse (7801021112002), we get a palindrome (9803132313089).

The spelling of 2002111201087 in words is "two trillion, two billion, one hundred eleven million, two hundred one thousand, eighty-seven".