201002020211 has 4 divisors (see below), whose sum is σ = 201003789432. Its totient is φ = 201000250992.

The previous prime is 201002020189. The next prime is 201002020213. The reversal of 201002020211 is 112020200102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201002020211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201002020192 and 201002020201.

It is not an unprimeable number, because it can be changed into a prime (201002020213) 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 in 3 ways as a sum of consecutive naturals, for example, 701570 + ... + 945623.

It is an arithmetic number, because the mean of its divisors is an integer number (50250947358).

Almost surely, 2^201002020211 is an apocalyptic number.

201002020211 is a deficient number, since it is larger than the sum of its proper divisors (1769221).

201002020211 is a wasteful number, since it uses less digits than its factorization.

201002020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769220.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201002020211 its reverse (112020200102), we get a palindrome (313022220313).

The spelling of 201002020211 in words is "two hundred one billion, two million, twenty thousand, two hundred eleven".