201020100010111 has 2 divisors, whose sum is σ = 201020100010112. Its totient is φ = 201020100010110.

The previous prime is 201020100010087. The next prime is 201020100010133. The reversal of 201020100010111 is 111010001020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201020100010111 - 2³⁹ = 200470344196223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201020100010511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510050005055 + 100510050005056.

It is an arithmetic number, because the mean of its divisors is an integer number (100510050005056).

Almost surely, 2^{201020100010111} is an apocalyptic number.

201020100010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020100010111 is an equidigital number, since it uses as much as digits as its factorization.

201020100010111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201020100010111 its reverse (111010001020102), we get a palindrome (312030101030213).

The spelling of 201020100010111 in words is "two hundred one trillion, twenty billion, one hundred million, ten thousand, one hundred eleven".