10212182261 has 2 divisors, whose sum is σ = 10212182262. Its totient is φ = 10212182260.

The previous prime is 10212182237. The next prime is 10212182287. The reversal of 10212182261 is 16228121201.

10212182261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10212182287) can be obtained adding 10212182261 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9251554225 + 960628036 = 96185^2 + 30994^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212182261 - 2¹⁴ = 10212165877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212182261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212182221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106091130 + 5106091131.

It is an arithmetic number, because the mean of its divisors is an integer number (5106091131).

Almost surely, 2^10212182261 is an apocalyptic number.

It is an amenable number.

10212182261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212182261 is an equidigital number, since it uses as much as digits as its factorization.

10212182261 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.

The spelling of 10212182261 in words is "ten billion, two hundred twelve million, one hundred eighty-two thousand, two hundred sixty-one".