211202213003813 has 2 divisors, whose sum is σ = 211202213003814. Its totient is φ = 211202213003812.

The previous prime is 211202213003809. The next prime is 211202213003819. The reversal of 211202213003813 is 318300312202112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209892234324964 + 1309978678849 = 14487658^2 + 1144543^2 .

It is a cyclic number.

It is not a de Polignac number, because 211202213003813 - 2² = 211202213003809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202213003819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601106501906 + 105601106501907.

It is an arithmetic number, because the mean of its divisors is an integer number (105601106501907).

Almost surely, 2^{211202213003813} is an apocalyptic number.

It is an amenable number.

211202213003813 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202213003813 is an equidigital number, since it uses as much as digits as its factorization.

211202213003813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 211202213003813 its reverse (318300312202112), we get a palindrome (529502525205925).

The spelling of 211202213003813 in words is "two hundred eleven trillion, two hundred two billion, two hundred thirteen million, three thousand, eight hundred thirteen".