213202112010281 has 2 divisors, whose sum is σ = 213202112010282. Its totient is φ = 213202112010280.

The previous prime is 213202112010187. The next prime is 213202112010287. The reversal of 213202112010281 is 182010211202312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177901176961600 + 35300935048681 = 13337960^2 + 5941459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213202112010281 is a prime.

It is a super-2 number, since 2×213202112010281² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213202112010281.

It is not a weakly prime, because it can be changed into another prime (213202112010287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601056005140 + 106601056005141.

It is an arithmetic number, because the mean of its divisors is an integer number (106601056005141).

Almost surely, 2^{213202112010281} is an apocalyptic number.

It is an amenable number.

213202112010281 is a deficient number, since it is larger than the sum of its proper divisors (1).

213202112010281 is an equidigital number, since it uses as much as digits as its factorization.

213202112010281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 213202112010281 its reverse (182010211202312), we get a palindrome (395212323212593).

The spelling of 213202112010281 in words is "two hundred thirteen trillion, two hundred two billion, one hundred twelve million, ten thousand, two hundred eighty-one".