201211212031003 has 2 divisors, whose sum is σ = 201211212031004. Its totient is φ = 201211212031002.

The previous prime is 201211212030979. The next prime is 201211212031021. The reversal of 201211212031003 is 300130212112102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201211212031003 is a prime.

It is not a weakly prime, because it can be changed into another prime (201211212031303) 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, 100605606015501 + 100605606015502.

It is an arithmetic number, because the mean of its divisors is an integer number (100605606015502).

Almost surely, 2^{201211212031003} is an apocalyptic number.

201211212031003 is a deficient number, since it is larger than the sum of its proper divisors (1).

201211212031003 is an equidigital number, since it uses as much as digits as its factorization.

201211212031003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201211212031003 its reverse (300130212112102), we get a palindrome (501341424143105).

The spelling of 201211212031003 in words is "two hundred one trillion, two hundred eleven billion, two hundred twelve million, thirty-one thousand, three".