210010102232981 has 2 divisors, whose sum is σ = 210010102232982. Its totient is φ = 210010102232980.

The previous prime is 210010102232789. The next prime is 210010102233053. The reversal of 210010102232981 is 189232201010012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170021805856081 + 39988296376900 = 13039241^2 + 6323630^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010102232981 - 2²² = 210010098038677 is a prime.

It is a super-2 number, since 2×210010102232981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010102202981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005051116490 + 105005051116491.

It is an arithmetic number, because the mean of its divisors is an integer number (105005051116491).

Almost surely, 2^{210010102232981} is an apocalyptic number.

It is an amenable number.

210010102232981 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010102232981 is an equidigital number, since it uses as much as digits as its factorization.

210010102232981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

Adding to 210010102232981 its reverse (189232201010012), we get a palindrome (399242303242993).

The spelling of 210010102232981 in words is "two hundred ten trillion, ten billion, one hundred two million, two hundred thirty-two thousand, nine hundred eighty-one".