2011203323203 has 2 divisors, whose sum is σ = 2011203323204. Its totient is φ = 2011203323202.

The previous prime is 2011203323191. The next prime is 2011203323219. The reversal of 2011203323203 is 3023233021102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011203323203 - 2⁹ = 2011203322691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011203329203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005601661601 + 1005601661602.

It is an arithmetic number, because the mean of its divisors is an integer number (1005601661602).

Almost surely, 2^{2011203323203} is an apocalyptic number.

2011203323203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011203323203 is an equidigital number, since it uses as much as digits as its factorization.

2011203323203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2011203323203 its reverse (3023233021102), we get a palindrome (5034436344305).

The spelling of 2011203323203 in words is "two trillion, eleven billion, two hundred three million, three hundred twenty-three thousand, two hundred three".