2002012011 has 16 divisors (see below), whose sum is σ = 2969049600. Its totient is φ = 1333277064.

The previous prime is 2002011959. The next prime is 2002012027. The reversal of 2002012011 is 1102102002.

It is not a de Polignac number, because 2002012011 - 2⁹ = 2002011499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2002011984 and 2002012002.

It is not an unprimeable number, because it can be changed into a prime (2002012081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12231 + ... + 64448.

It is an arithmetic number, because the mean of its divisors is an integer number (185565600).

Almost surely, 2^2002012011 is an apocalyptic number.

2002012011 is a deficient number, since it is larger than the sum of its proper divisors (967037589).

2002012011 is an equidigital number, since it uses as much as digits as its factorization.

2002012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77655 (or 77649 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2002012011 is about 44743.8488621620. The cubic root of 2002012011 is about 1260.3434041315.

Adding to 2002012011 its reverse (1102102002), we get a palindrome (3104114013).

The spelling of 2002012011 in words is "two billion, two million, twelve thousand, eleven".