1211032201003 has 2 divisors, whose sum is σ = 1211032201004. Its totient is φ = 1211032201002.

The previous prime is 1211032200997. The next prime is 1211032201013. The reversal of 1211032201003 is 3001022301121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211032201003 - 2⁹ = 1211032200491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211032201013) 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, 605516100501 + 605516100502.

It is an arithmetic number, because the mean of its divisors is an integer number (605516100502).

Almost surely, 2^{1211032201003} is an apocalyptic number.

1211032201003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211032201003 is an equidigital number, since it uses as much as digits as its factorization.

1211032201003 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 1211032201003 its reverse (3001022301121), we get a palindrome (4212054502124).

The spelling of 1211032201003 in words is "one trillion, two hundred eleven billion, thirty-two million, two hundred one thousand, three".