13022120291 has 2 divisors, whose sum is σ = 13022120292. Its totient is φ = 13022120290.

The previous prime is 13022120281. The next prime is 13022120333. The reversal of 13022120291 is 19202122031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13022120291 - 2¹⁰ = 13022119267 is a prime.

It is not a weakly prime, because it can be changed into another prime (13022120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511060145 + 6511060146.

It is an arithmetic number, because the mean of its divisors is an integer number (6511060146).

Almost surely, 2^13022120291 is an apocalyptic number.

13022120291 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022120291 is an equidigital number, since it uses as much as digits as its factorization.

13022120291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 13022120291 in words is "thirteen billion, twenty-two million, one hundred twenty thousand, two hundred ninety-one".