1010221212197 has 2 divisors, whose sum is σ = 1010221212198. Its totient is φ = 1010221212196.

The previous prime is 1010221212137. The next prime is 1010221212229. The reversal of 1010221212197 is 7912121220101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854665119361 + 155556092836 = 924481^2 + 394406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010221212197 - 2¹⁴ = 1010221195813 is a prime.

It is a super-2 number, since 2×1010221212197² (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 (1010221212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110606098 + 505110606099.

It is an arithmetic number, because the mean of its divisors is an integer number (505110606099).

Almost surely, 2^{1010221212197} is an apocalyptic number.

It is an amenable number.

1010221212197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010221212197 is an equidigital number, since it uses as much as digits as its factorization.

1010221212197 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 1010221212197 its reverse (7912121220101), we get a palindrome (8922342432298).

The spelling of 1010221212197 in words is "one trillion, ten billion, two hundred twenty-one million, two hundred twelve thousand, one hundred ninety-seven".