1020110211097 has 2 divisors, whose sum is σ = 1020110211098. Its totient is φ = 1020110211096.

The previous prime is 1020110211089. The next prime is 1020110211101. The reversal of 1020110211097 is 7901120110201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995008245001 + 25101966096 = 997501^2 + 158436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020110211097 - 2³ = 1020110211089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020110211997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510055105548 + 510055105549.

It is an arithmetic number, because the mean of its divisors is an integer number (510055105549).

Almost surely, 2^{1020110211097} is an apocalyptic number.

It is an amenable number.

1020110211097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020110211097 is an equidigital number, since it uses as much as digits as its factorization.

1020110211097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 1020110211097 its reverse (7901120110201), we get a palindrome (8921230321298).

The spelling of 1020110211097 in words is "one trillion, twenty billion, one hundred ten million, two hundred eleven thousand, ninety-seven".