10321121191 has 2 divisors, whose sum is σ = 10321121192. Its totient is φ = 10321121190.

The previous prime is 10321121179. The next prime is 10321121201. The reversal of 10321121191 is 19112112301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10321121191 - 2¹⁵ = 10321088423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10321721191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160560595 + 5160560596.

It is an arithmetic number, because the mean of its divisors is an integer number (5160560596).

Almost surely, 2^10321121191 is an apocalyptic number.

10321121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321121191 is an equidigital number, since it uses as much as digits as its factorization.

10321121191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 10321121191 its reverse (19112112301), we get a palindrome (29433233492).

The spelling of 10321121191 in words is "ten billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred ninety-one".