212010110281 has 2 divisors, whose sum is σ = 212010110282. Its totient is φ = 212010110280.

The previous prime is 212010110267. The next prime is 212010110353. The reversal of 212010110281 is 182011010212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147084522256 + 64925588025 = 383516^2 + 254805^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010110281 - 2⁷ = 212010110153 is a prime.

It is a super-2 number, since 2×212010110281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212010110251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005055140 + 106005055141.

It is an arithmetic number, because the mean of its divisors is an integer number (106005055141).

Almost surely, 2^212010110281 is an apocalyptic number.

It is an amenable number.

212010110281 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010110281 is an equidigital number, since it uses as much as digits as its factorization.

212010110281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212010110281 its reverse (182011010212), we get a palindrome (394021120493).

The spelling of 212010110281 in words is "two hundred twelve billion, ten million, one hundred ten thousand, two hundred eighty-one".