10220853163561 has 2 divisors, whose sum is σ = 10220853163562. Its totient is φ = 10220853163560.

The previous prime is 10220853163429. The next prime is 10220853163579. The reversal of 10220853163561 is 16536135802201.

10220853163561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6823688103961 + 3397165059600 = 2612219^2 + 1843140^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220853163561 - 2¹¹ = 10220853161513 is a prime.

It is not a weakly prime, because it can be changed into another prime (10220853163061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110426581780 + 5110426581781.

It is an arithmetic number, because the mean of its divisors is an integer number (5110426581781).

Almost surely, 2^{10220853163561} is an apocalyptic number.

It is an amenable number.

10220853163561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220853163561 is an equidigital number, since it uses as much as digits as its factorization.

10220853163561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

Adding to 10220853163561 its reverse (16536135802201), we get a palindrome (26756988965762).

The spelling of 10220853163561 in words is "ten trillion, two hundred twenty billion, eight hundred fifty-three million, one hundred sixty-three thousand, five hundred sixty-one".