201203103112213 has 2 divisors, whose sum is σ = 201203103112214. Its totient is φ = 201203103112212.

The previous prime is 201203103112211. The next prime is 201203103112247. The reversal of 201203103112213 is 312211301302102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128110298490724 + 73092804621489 = 11318582^2 + 8549433^2 .

It is a cyclic number.

It is not a de Polignac number, because 201203103112213 - 2¹ = 201203103112211 is a prime.

Together with 201203103112211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201203103112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601551556106 + 100601551556107.

It is an arithmetic number, because the mean of its divisors is an integer number (100601551556107).

Almost surely, 2^{201203103112213} is an apocalyptic number.

It is an amenable number.

201203103112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

201203103112213 is an equidigital number, since it uses as much as digits as its factorization.

201203103112213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201203103112213 its reverse (312211301302102), we get a palindrome (513414404414315).

The spelling of 201203103112213 in words is "two hundred one trillion, two hundred three billion, one hundred three million, one hundred twelve thousand, two hundred thirteen".