12201101291 has 2 divisors, whose sum is σ = 12201101292. Its totient is φ = 12201101290.

The previous prime is 12201101207. The next prime is 12201101321. The reversal of 12201101291 is 19210110221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201101291 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201101191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100550645 + 6100550646.

It is an arithmetic number, because the mean of its divisors is an integer number (6100550646).

Almost surely, 2^12201101291 is an apocalyptic number.

12201101291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201101291 is an equidigital number, since it uses as much as digits as its factorization.

12201101291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 12201101291 in words is "twelve billion, two hundred one million, one hundred one thousand, two hundred ninety-one".