201100201101011 has 2 divisors, whose sum is σ = 201100201101012. Its totient is φ = 201100201101010.

The previous prime is 201100201100999. The next prime is 201100201101049. The reversal of 201100201101011 is 110101102001102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201100201101011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201100201100983 and 201100201101001.

It is not a weakly prime, because it can be changed into another prime (201100201101071) 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 as a sum of consecutive naturals, namely, 100550100550505 + 100550100550506.

It is an arithmetic number, because the mean of its divisors is an integer number (100550100550506).

Almost surely, 2^{201100201101011} is an apocalyptic number.

201100201101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100201101011 is an equidigital number, since it uses as much as digits as its factorization.

201100201101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201100201101011 its reverse (110101102001102), we get a palindrome (311201303102113).

Subtracting from 201100201101011 its reverse (110101102001102), we obtain a palindrome (90999099099909).

The spelling of 201100201101011 in words is "two hundred one trillion, one hundred billion, two hundred one million, one hundred one thousand, eleven".