10221010847867 has 2 divisors, whose sum is σ = 10221010847868. Its totient is φ = 10221010847866.

The previous prime is 10221010847857. The next prime is 10221010847891. The reversal of 10221010847867 is 76874801012201.

10221010847867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221010847867 - 2²² = 10221006653563 is a prime.

It is a super-4 number, since 4×10221010847867⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (10221010847857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110505423933 + 5110505423934.

It is an arithmetic number, because the mean of its divisors is an integer number (5110505423934).

Almost surely, 2^{10221010847867} is an apocalyptic number.

10221010847867 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221010847867 is an equidigital number, since it uses as much as digits as its factorization.

10221010847867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 10221010847867 in words is "ten trillion, two hundred twenty-one billion, ten million, eight hundred forty-seven thousand, eight hundred sixty-seven".