1002002002011 has 12 divisors (see below), whose sum is σ = 1447743169392. Its totient is φ = 667813514256.

The previous prime is 1002002001989. The next prime is 1002002002021. The reversal of 1002002002011 is 1102002002001.

It is not a de Polignac number, because 1002002002011 - 2¹¹ = 1002001999963 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 = 1002002001984 and 1002002002002.

It is not an unprimeable number, because it can be changed into a prime (1002002002021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15617911 + ... + 15681936.

It is an arithmetic number, because the mean of its divisors is an integer number (120645264116).

Almost surely, 2^{1002002002011} is an apocalyptic number.

1002002002011 is a deficient number, since it is larger than the sum of its proper divisors (445741167381).

1002002002011 is a wasteful number, since it uses less digits than its factorization.

1002002002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303410 (or 31303407 counting only the distinct ones).

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

Adding to 1002002002011 its reverse (1102002002001), we get a palindrome (2104004004012).

The spelling of 1002002002011 in words is "one trillion, two billion, two million, two thousand, eleven".