201020202101011 has 2 divisors, whose sum is σ = 201020202101012. Its totient is φ = 201020202101010.

The previous prime is 201020202100973. The next prime is 201020202101027. The reversal of 201020202101011 is 110101202020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201020202101011 - 2³¹ = 201018054617363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201020202100982 and 201020202101000.

It is not a weakly prime, because it can be changed into another prime (201020202101041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510101050505 + 100510101050506.

It is an arithmetic number, because the mean of its divisors is an integer number (100510101050506).

Almost surely, 2^{201020202101011} is an apocalyptic number.

201020202101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020202101011 is an equidigital number, since it uses as much as digits as its factorization.

201020202101011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201020202101011 its reverse (110101202020102), we get a palindrome (311121404121113).

The spelling of 201020202101011 in words is "two hundred one trillion, twenty billion, two hundred two million, one hundred one thousand, eleven".