1012111220297 has 2 divisors, whose sum is σ = 1012111220298. Its totient is φ = 1012111220296.

The previous prime is 1012111220171. The next prime is 1012111220321. The reversal of 1012111220297 is 7920221112101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969051235216 + 43059985081 = 984404^2 + 207509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012111220297 - 2⁸ = 1012111220041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012111820297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506055610148 + 506055610149.

It is an arithmetic number, because the mean of its divisors is an integer number (506055610149).

Almost surely, 2^{1012111220297} is an apocalyptic number.

It is an amenable number.

1012111220297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012111220297 is an equidigital number, since it uses as much as digits as its factorization.

1012111220297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 1012111220297 its reverse (7920221112101), we get a palindrome (8932332332398).

The spelling of 1012111220297 in words is "one trillion, twelve billion, one hundred eleven million, two hundred twenty thousand, two hundred ninety-seven".