1010100221197 has 2 divisors, whose sum is σ = 1010100221198. Its totient is φ = 1010100221196.

The previous prime is 1010100221177. The next prime is 1010100221213. The reversal of 1010100221197 is 7911220010101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542423412036 + 467676809161 = 736494^2 + 683869^2 .

It is an emirp because it is prime and its reverse (7911220010101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010100221197 - 2¹⁵ = 1010100188429 is a prime.

It is a super-2 number, since 2×1010100221197² (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 (1010100221177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050110598 + 505050110599.

It is an arithmetic number, because the mean of its divisors is an integer number (505050110599).

Almost surely, 2^{1010100221197} is an apocalyptic number.

It is an amenable number.

1010100221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010100221197 is an equidigital number, since it uses as much as digits as its factorization.

1010100221197 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1010100221197 its reverse (7911220010101), we get a palindrome (8921320231298).

The spelling of 1010100221197 in words is "one trillion, ten billion, one hundred million, two hundred twenty-one thousand, one hundred ninety-seven".