1020111210163 has 2 divisors, whose sum is σ = 1020111210164. Its totient is φ = 1020111210162.

The previous prime is 1020111210071. The next prime is 1020111210169. The reversal of 1020111210163 is 3610121110201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020111210163 - 2¹³ = 1020111201971 is a prime.

It is a super-2 number, since 2×1020111210163² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020111210163.

It is not a weakly prime, because it can be changed into another prime (1020111210169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510055605081 + 510055605082.

It is an arithmetic number, because the mean of its divisors is an integer number (510055605082).

Almost surely, 2^{1020111210163} is an apocalyptic number.

1020111210163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020111210163 is an equidigital number, since it uses as much as digits as its factorization.

1020111210163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1020111210163 its reverse (3610121110201), we get a palindrome (4630232320364).

The spelling of 1020111210163 in words is "one trillion, twenty billion, one hundred eleven million, two hundred ten thousand, one hundred sixty-three".