201211012003 has 2 divisors, whose sum is σ = 201211012004. Its totient is φ = 201211012002.

The previous prime is 201211012001. The next prime is 201211012021. The reversal of 201211012003 is 300210112102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201211012003 - 2¹ = 201211012001 is a prime.

Together with 201211012001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201211012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605506001 + 100605506002.

It is an arithmetic number, because the mean of its divisors is an integer number (100605506002).

Almost surely, 2^201211012003 is an apocalyptic number.

201211012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211012003 is an equidigital number, since it uses as much as digits as its factorization.

201211012003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201211012003 its reverse (300210112102), we get a palindrome (501421124105).

The spelling of 201211012003 in words is "two hundred one billion, two hundred eleven million, twelve thousand, three".