2002001121011 has 2 divisors, whose sum is σ = 2002001121012. Its totient is φ = 2002001121010.

The previous prime is 2002001120993. The next prime is 2002001121047. The reversal of 2002001121011 is 1101211002002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002001121011 - 2⁶ = 2002001120947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002001120983 and 2002001121001.

It is not a weakly prime, because it can be changed into another prime (2002001121611) 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, 1001000560505 + 1001000560506.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000560506).

Almost surely, 2^{2002001121011} is an apocalyptic number.

2002001121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002001121011 is an equidigital number, since it uses as much as digits as its factorization.

2002001121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2002001121011 its reverse (1101211002002), we get a palindrome (3103212123013).

The spelling of 2002001121011 in words is "two trillion, two billion, one million, one hundred twenty-one thousand, eleven".