10321012291 has 2 divisors, whose sum is σ = 10321012292. Its totient is φ = 10321012290.

The previous prime is 10321012279. The next prime is 10321012301. The reversal of 10321012291 is 19221012301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10321012291 - 2⁵ = 10321012259 is a prime.

It is not a weakly prime, because it can be changed into another prime (10321012241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160506145 + 5160506146.

It is an arithmetic number, because the mean of its divisors is an integer number (5160506146).

Almost surely, 2^10321012291 is an apocalyptic number.

10321012291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321012291 is an equidigital number, since it uses as much as digits as its factorization.

10321012291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 10321012291 its reverse (19221012301), we get a palindrome (29542024592).

The spelling of 10321012291 in words is "ten billion, three hundred twenty-one million, twelve thousand, two hundred ninety-one".