1011302213197 has 2 divisors, whose sum is σ = 1011302213198. Its totient is φ = 1011302213196.

The previous prime is 1011302213113. The next prime is 1011302213221. The reversal of 1011302213197 is 7913122031101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923086679076 + 88215534121 = 960774^2 + 297011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011302213197 - 2²³ = 1011293824589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011302210197) 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, 505651106598 + 505651106599.

It is an arithmetic number, because the mean of its divisors is an integer number (505651106599).

Almost surely, 2^{1011302213197} is an apocalyptic number.

It is an amenable number.

1011302213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011302213197 is an equidigital number, since it uses as much as digits as its factorization.

1011302213197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

Adding to 1011302213197 its reverse (7913122031101), we get a palindrome (8924424244298).

The spelling of 1011302213197 in words is "one trillion, eleven billion, three hundred two million, two hundred thirteen thousand, one hundred ninety-seven".