201211303103 has 2 divisors, whose sum is σ = 201211303104. Its totient is φ = 201211303102.

The previous prime is 201211303031. The next prime is 201211303109. The reversal of 201211303103 is 301303112102.

Together with previous prime (201211303031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201211303103 - 2¹⁰ = 201211302079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201211303109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605651551 + 100605651552.

It is an arithmetic number, because the mean of its divisors is an integer number (100605651552).

Almost surely, 2^201211303103 is an apocalyptic number.

201211303103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211303103 is an equidigital number, since it uses as much as digits as its factorization.

201211303103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201211303103 its reverse (301303112102), we get a palindrome (502514415205).

The spelling of 201211303103 in words is "two hundred one billion, two hundred eleven million, three hundred three thousand, one hundred three".