2011203201103 has 2 divisors, whose sum is σ = 2011203201104. Its totient is φ = 2011203201102.

The previous prime is 2011203201071. The next prime is 2011203201157. The reversal of 2011203201103 is 3011023021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011203201103 - 2⁵ = 2011203201071 is a prime.

It is a super-2 number, since 2×2011203201103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011203201173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005601600551 + 1005601600552.

It is an arithmetic number, because the mean of its divisors is an integer number (1005601600552).

Almost surely, 2^{2011203201103} is an apocalyptic number.

2011203201103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011203201103 is an equidigital number, since it uses as much as digits as its factorization.

2011203201103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2011203201103 its reverse (3011023021102), we get a palindrome (5022226222205).

The spelling of 2011203201103 in words is "two trillion, eleven billion, two hundred three million, two hundred one thousand, one hundred three".