10021100120197 has 2 divisors, whose sum is σ = 10021100120198. Its totient is φ = 10021100120196.

The previous prime is 10021100120183. The next prime is 10021100120201. The reversal of 10021100120197 is 79102100112001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8799564556836 + 1221535563361 = 2966406^2 + 1105231^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021100120197 - 2⁷ = 10021100120069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021100120117) 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, 5010550060098 + 5010550060099.

It is an arithmetic number, because the mean of its divisors is an integer number (5010550060099).

Almost surely, 2^{10021100120197} is an apocalyptic number.

It is an amenable number.

10021100120197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021100120197 is an equidigital number, since it uses as much as digits as its factorization.

10021100120197 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 10021100120197 its reverse (79102100112001), we get a palindrome (89123200232198).

The spelling of 10021100120197 in words is "ten trillion, twenty-one billion, one hundred million, one hundred twenty thousand, one hundred ninety-seven".