1010212221197 has 2 divisors, whose sum is σ = 1010212221198. Its totient is φ = 1010212221196.

The previous prime is 1010212221181. The next prime is 1010212221203. The reversal of 1010212221197 is 7911222120101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895548039556 + 114664181641 = 946334^2 + 338621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010212221197 - 2⁴ = 1010212221181 is a prime.

It is a super-2 number, since 2×1010212221197² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010212221127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505106110598 + 505106110599.

It is an arithmetic number, because the mean of its divisors is an integer number (505106110599).

Almost surely, 2^{1010212221197} is an apocalyptic number.

It is an amenable number.

1010212221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010212221197 is an equidigital number, since it uses as much as digits as its factorization.

1010212221197 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1010212221197 its reverse (7911222120101), we get a palindrome (8921434341298).

The spelling of 1010212221197 in words is "one trillion, ten billion, two hundred twelve million, two hundred twenty-one thousand, one hundred ninety-seven".