10021232197 has 2 divisors, whose sum is σ = 10021232198. Its totient is φ = 10021232196.

The previous prime is 10021232191. The next prime is 10021232261. The reversal of 10021232197 is 79123212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8022605761 + 1998626436 = 89569^2 + 44706^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021232197 - 2³ = 10021232189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021232191) 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, 5010616098 + 5010616099.

It is an arithmetic number, because the mean of its divisors is an integer number (5010616099).

Almost surely, 2^10021232197 is an apocalyptic number.

It is an amenable number.

10021232197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021232197 is an equidigital number, since it uses as much as digits as its factorization.

10021232197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 10021232197 its reverse (79123212001), we get a palindrome (89144444198).

The spelling of 10021232197 in words is "ten billion, twenty-one million, two hundred thirty-two thousand, one hundred ninety-seven".