10212011020961 has 2 divisors, whose sum is σ = 10212011020962. Its totient is φ = 10212011020960.

The previous prime is 10212011020927. The next prime is 10212011021063. The reversal of 10212011020961 is 16902011021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10117844892736 + 94166128225 = 3180856^2 + 306865^2 .

It is an emirp because it is prime and its reverse (16902011021201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10212011020961 - 2²⁶ = 10211943912097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10212011020961.

It is not a weakly prime, because it can be changed into another prime (10212011020661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106005510480 + 5106005510481.

It is an arithmetic number, because the mean of its divisors is an integer number (5106005510481).

Almost surely, 2^{10212011020961} is an apocalyptic number.

It is an amenable number.

10212011020961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212011020961 is an equidigital number, since it uses as much as digits as its factorization.

10212011020961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 10212011020961 in words is "ten trillion, two hundred twelve billion, eleven million, twenty thousand, nine hundred sixty-one".