201020020002011 has 16 divisors (see below), whose sum is σ = 231492186064128. Its totient is φ = 170986623818400.

The previous prime is 201020020001939. The next prime is 201020020002013. The reversal of 201020020002011 is 110200020020102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201020020002011 - 2³⁸ = 200745142095067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020020001983 and 201020020002001.

It is not an unprimeable number, because it can be changed into a prime (201020020002013) 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, 197162801 + ... + 198179741.

It is an arithmetic number, because the mean of its divisors is an integer number (14468261629008).

Almost surely, 2^{201020020002011} is an apocalyptic number.

201020020002011 is a deficient number, since it is larger than the sum of its proper divisors (30472166062117).

201020020002011 is a wasteful number, since it uses less digits than its factorization.

201020020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232642.

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

Adding to 201020020002011 its reverse (110200020020102), we get a palindrome (311220040022113).

The spelling of 201020020002011 in words is "two hundred one trillion, twenty billion, twenty million, two thousand, eleven".