1002000020211 has 24 divisors (see below), whose sum is σ = 1544966691840. Its totient is φ = 623928841200.

The previous prime is 1002000020201. The next prime is 1002000020213. The reversal of 1002000020211 is 1120200002001.

It is not a de Polignac number, because 1002000020211 - 2²⁵ = 1001966465779 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 = 1002000020193 and 1002000020202.

It is not an unprimeable number, because it can be changed into a prime (1002000020213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41252995 + ... + 41277276.

It is an arithmetic number, because the mean of its divisors is an integer number (64373612160).

Almost surely, 2^{1002000020211} is an apocalyptic number.

1002000020211 is a deficient number, since it is larger than the sum of its proper divisors (542966671629).

1002000020211 is a wasteful number, since it uses less digits than its factorization.

1002000020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82530367 (or 82530364 counting only the distinct ones).

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

Adding to 1002000020211 its reverse (1120200002001), we get a palindrome (2122200022212).

The spelling of 1002000020211 in words is "one trillion, two billion, twenty thousand, two hundred eleven".